27996845175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 55266233568

約数和(自身を除く): 27269388393

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 173, 183, 195, 225, 305, 325, 519, 549, 585, 793, 865, 907, 915, 975, 1525, 1557, 2249, 2379, 2595, 2721, 2745, 2925, 3965, 4325, 4535, 4575, 6747, 7137, 7785, 8163, 10553, 11245, 11791, 11895, 12975, 13605, 13725, 19825, 20241, 22675, 31659, 33735, 35373, 35685, 38925, 40815, 52765, 55327, 56225, 58955, 59475, 68025, 94977, 101205, 106119, 137189, 156911, 158295, 165981, 168675, 176865, 178425, 204075, 263825, 276635, 294775, 411567, 470733, 474885, 497943, 506025, 530595, 685945, 719251, 784555, 791475, 829905, 884325, 1234701, 1383175, 1412199, 2039843, 2057835, 2157753, 2353665, 2374425, 2489715, 2652975, 3429725, 3596255, 3922775, 4149525, 6119529, 6173505, 6473259, 7060995, 9571571, 10199215, 10289175, 10788765, 11768325, 12448575, 17981275, 18358587, 28714713, 30597645, 30867525, 32366295, 35304975, 47857855, 50996075, 53943825, 86144139, 91792935, 124430423, 143573565, 152988225, 161831475, 239289275, 373291269, 430720695, 458964675, 622152115, 717867825, 1119873807, 1866456345, 2153603475, 3110760575, 5599369035, 9332281725, 27996845175]

約数ペア:

[(1, 27996845175), (3, 9332281725), (5, 5599369035), (9, 3110760575), (13, 2153603475), (15, 1866456345), (25, 1119873807), (39, 717867825), (45, 622152115), (61, 458964675), (65, 430720695), (75, 373291269), (117, 239289275), (173, 161831475), (183, 152988225), (195, 143573565), (225, 124430423), (305, 91792935), (325, 86144139), (519, 53943825), (549, 50996075), (585, 47857855), (793, 35304975), (865, 32366295), (907, 30867525), (915, 30597645), (975, 28714713), (1525, 18358587), (1557, 17981275), (2249, 12448575), (2379, 11768325), (2595, 10788765), (2721, 10289175), (2745, 10199215), (2925, 9571571), (3965, 7060995), (4325, 6473259), (4535, 6173505), (4575, 6119529), (6747, 4149525), (7137, 3922775), (7785, 3596255), (8163, 3429725), (10553, 2652975), (11245, 2489715), (11791, 2374425), (11895, 2353665), (12975, 2157753), (13605, 2057835), (13725, 2039843), (19825, 1412199), (20241, 1383175), (22675, 1234701), (31659, 884325), (33735, 829905), (35373, 791475), (35685, 784555), (38925, 719251), (40815, 685945), (52765, 530595), (55327, 506025), (56225, 497943), (58955, 474885), (59475, 470733), (68025, 411567), (94977, 294775), (101205, 276635), (106119, 263825), (137189, 204075), (156911, 178425), (158295, 176865), (165981, 168675)]