55490175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 109138848

約数和(自身を除く): 53648673

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 311, 325, 549, 585, 793, 915, 933, 975, 1525, 1555, 2379, 2745, 2799, 2925, 3965, 4043, 4575, 4665, 7137, 7775, 11895, 12129, 13725, 13995, 18971, 19825, 20215, 23325, 35685, 36387, 56913, 59475, 60645, 69975, 94855, 101075, 170739, 178425, 181935, 246623, 284565, 303225, 474275, 739869, 853695, 909675, 1233115, 1422825, 2219607, 3699345, 4268475, 6165575, 11098035, 18496725, 55490175]

約数ペア:

[(1, 55490175), (3, 18496725), (5, 11098035), (9, 6165575), (13, 4268475), (15, 3699345), (25, 2219607), (39, 1422825), (45, 1233115), (61, 909675), (65, 853695), (75, 739869), (117, 474275), (183, 303225), (195, 284565), (225, 246623), (305, 181935), (311, 178425), (325, 170739), (549, 101075), (585, 94855), (793, 69975), (915, 60645), (933, 59475), (975, 56913), (1525, 36387), (1555, 35685), (2379, 23325), (2745, 20215), (2799, 19825), (2925, 18971), (3965, 13995), (4043, 13725), (4575, 12129), (4665, 11895), (7137, 7775)]