201729555

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 405504000

約数和(自身を除く): 203774445

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 43, 45, 57, 59, 93, 95, 129, 135, 155, 171, 177, 215, 279, 285, 295, 387, 465, 513, 531, 589, 645, 817, 837, 855, 885, 1121, 1161, 1333, 1395, 1593, 1767, 1829, 1935, 2451, 2537, 2565, 2655, 2945, 3363, 3999, 4085, 4185, 5301, 5487, 5605, 5805, 6665, 7353, 7611, 7965, 8835, 9145, 10089, 11997, 12255, 12685, 15903, 16461, 16815, 19995, 22059, 22833, 25327, 26505, 27435, 30267, 34751, 35991, 36765, 38055, 48203, 49383, 50445, 59985, 68499, 75981, 78647, 79515, 82305, 104253, 110295, 114165, 126635, 144609, 151335, 173755, 179955, 227943, 235941, 241015, 246915, 312759, 342495, 379905, 393235, 433827, 521265, 683829, 707823, 723045, 938277, 1139715, 1179705, 1301481, 1494293, 1563795, 2123469, 2169135, 3419145, 3539115, 4482879, 4691385, 6507405, 7471465, 10617345, 13448637, 22414395, 40345911, 67243185, 201729555]

約数ペア:

[(1, 201729555), (3, 67243185), (5, 40345911), (9, 22414395), (15, 13448637), (19, 10617345), (27, 7471465), (31, 6507405), (43, 4691385), (45, 4482879), (57, 3539115), (59, 3419145), (93, 2169135), (95, 2123469), (129, 1563795), (135, 1494293), (155, 1301481), (171, 1179705), (177, 1139715), (215, 938277), (279, 723045), (285, 707823), (295, 683829), (387, 521265), (465, 433827), (513, 393235), (531, 379905), (589, 342495), (645, 312759), (817, 246915), (837, 241015), (855, 235941), (885, 227943), (1121, 179955), (1161, 173755), (1333, 151335), (1395, 144609), (1593, 126635), (1767, 114165), (1829, 110295), (1935, 104253), (2451, 82305), (2537, 79515), (2565, 78647), (2655, 75981), (2945, 68499), (3363, 59985), (3999, 50445), (4085, 49383), (4185, 48203), (5301, 38055), (5487, 36765), (5605, 35991), (5805, 34751), (6665, 30267), (7353, 27435), (7611, 26505), (7965, 25327), (8835, 22833), (9145, 22059), (10089, 19995), (11997, 16815), (12255, 16461), (12685, 15903)]