19836698175

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{20681}}^1$

素因数の和:20743

約数の個数: 144

約数和(自身を含む): 43854112800

約数和(自身を除く): 24017414625

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 49, 63, 75, 87, 105, 135, 145, 147, 175, 189, 203, 225, 245, 261, 315, 435, 441, 525, 609, 675, 725, 735, 783, 945, 1015, 1225, 1305, 1323, 1421, 1575, 1827, 2175, 2205, 3045, 3675, 3915, 4263, 4725, 5075, 5481, 6525, 6615, 7105, 9135, 11025, 12789, 15225, 19575, 20681, 21315, 27405, 33075, 35525, 38367, 45675, 62043, 63945, 103405, 106575, 137025, 144767, 186129, 191835, 310215, 319725, 434301, 517025, 558387, 599749, 723835, 930645, 959175, 1013369, 1302903, 1551075, 1799247, 2171505, 2791935, 2998745, 3040107, 3619175, 3908709, 4198243, 4653225, 5066845, 5397741, 6514515, 8996235, 9120321, 10857525, 12594729, 13959675, 14993725, 15200535, 16193223, 19543545, 20991215, 25334225, 26988705, 27360963, 29387701, 32572575, 37784187, 44981175, 45601605, 62973645, 76002675, 80966115, 88163103, 97717725, 104956075, 113352561, 134943525, 136804815, 146938505, 188920935, 228008025, 264489309, 314868225, 404830575, 440815515, 566762805, 684024075, 734692525, 793467927, 944604675, 1322446545, 2204077575, 2833814025, 3967339635, 6612232725, 19836698175]

約数ペア:

[(1, 19836698175), (3, 6612232725), (5, 3967339635), (7, 2833814025), (9, 2204077575), (15, 1322446545), (21, 944604675), (25, 793467927), (27, 734692525), (29, 684024075), (35, 566762805), (45, 440815515), (49, 404830575), (63, 314868225), (75, 264489309), (87, 228008025), (105, 188920935), (135, 146938505), (145, 136804815), (147, 134943525), (175, 113352561), (189, 104956075), (203, 97717725), (225, 88163103), (245, 80966115), (261, 76002675), (315, 62973645), (435, 45601605), (441, 44981175), (525, 37784187), (609, 32572575), (675, 29387701), (725, 27360963), (735, 26988705), (783, 25334225), (945, 20991215), (1015, 19543545), (1225, 16193223), (1305, 15200535), (1323, 14993725), (1421, 13959675), (1575, 12594729), (1827, 10857525), (2175, 9120321), (2205, 8996235), (3045, 6514515), (3675, 5397741), (3915, 5066845), (4263, 4653225), (4725, 4198243), (5075, 3908709), (5481, 3619175), (6525, 3040107), (6615, 2998745), (7105, 2791935), (9135, 2171505), (11025, 1799247), (12789, 1551075), (15225, 1302903), (19575, 1013369), (20681, 959175), (21315, 930645), (27405, 723835), (33075, 599749), (35525, 558387), (38367, 517025), (45675, 434301), (62043, 319725), (63945, 310215), (103405, 191835), (106575, 186129), (137025, 144767)]