201606525

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 377888264

約数和(自身を除く): 176281739

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 61, 75, 111, 183, 185, 225, 305, 333, 397, 549, 555, 915, 925, 1191, 1525, 1665, 1985, 2257, 2745, 2775, 3573, 4575, 5955, 6771, 8325, 9925, 11285, 13725, 14689, 17865, 20313, 24217, 29775, 33855, 44067, 56425, 72651, 73445, 89325, 101565, 121085, 132201, 169275, 217953, 220335, 363255, 367225, 507825, 605425, 661005, 896029, 1089765, 1101675, 1816275, 2688087, 3305025, 4480145, 5448825, 8064261, 13440435, 22400725, 40321305, 67202175, 201606525]

約数ペア:

[(1, 201606525), (3, 67202175), (5, 40321305), (9, 22400725), (15, 13440435), (25, 8064261), (37, 5448825), (45, 4480145), (61, 3305025), (75, 2688087), (111, 1816275), (183, 1101675), (185, 1089765), (225, 896029), (305, 661005), (333, 605425), (397, 507825), (549, 367225), (555, 363255), (915, 220335), (925, 217953), (1191, 169275), (1525, 132201), (1665, 121085), (1985, 101565), (2257, 89325), (2745, 73445), (2775, 72651), (3573, 56425), (4575, 44067), (5955, 33855), (6771, 29775), (8325, 24217), (9925, 20313), (11285, 17865), (13725, 14689)]