66525075

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 125329776

約数和(自身を除く): 58804701

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 61, 75, 111, 131, 183, 185, 225, 305, 333, 393, 549, 555, 655, 915, 925, 1179, 1525, 1665, 1965, 2257, 2745, 2775, 3275, 4575, 4847, 5895, 6771, 7991, 8325, 9825, 11285, 13725, 14541, 20313, 23973, 24235, 29475, 33855, 39955, 43623, 56425, 71919, 72705, 101565, 119865, 121175, 169275, 199775, 218115, 295667, 359595, 363525, 507825, 599325, 887001, 1090575, 1478335, 1797975, 2661003, 4435005, 7391675, 13305015, 22175025, 66525075]

約数ペア:

[(1, 66525075), (3, 22175025), (5, 13305015), (9, 7391675), (15, 4435005), (25, 2661003), (37, 1797975), (45, 1478335), (61, 1090575), (75, 887001), (111, 599325), (131, 507825), (183, 363525), (185, 359595), (225, 295667), (305, 218115), (333, 199775), (393, 169275), (549, 121175), (555, 119865), (655, 101565), (915, 72705), (925, 71919), (1179, 56425), (1525, 43623), (1665, 39955), (1965, 33855), (2257, 29475), (2745, 24235), (2775, 23973), (3275, 20313), (4575, 14541), (4847, 13725), (5895, 11285), (6771, 9825), (7991, 8325)]