64861875

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 60

約数和(自身を含む): 126222096

約数和(自身を除く): 61360221

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 625, 887, 975, 1125, 1625, 1875, 2661, 2925, 4435, 4875, 5625, 7983, 8125, 11531, 13305, 14625, 22175, 24375, 34593, 39915, 57655, 66525, 73125, 103779, 110875, 172965, 199575, 288275, 332625, 518895, 554375, 864825, 997875, 1441375, 1663125, 2594475, 4324125, 4989375, 7206875, 12972375, 21620625, 64861875]

約数ペア:

[(1, 64861875), (3, 21620625), (5, 12972375), (9, 7206875), (13, 4989375), (15, 4324125), (25, 2594475), (39, 1663125), (45, 1441375), (65, 997875), (75, 864825), (117, 554375), (125, 518895), (195, 332625), (225, 288275), (325, 199575), (375, 172965), (585, 110875), (625, 103779), (887, 73125), (975, 66525), (1125, 57655), (1625, 39915), (1875, 34593), (2661, 24375), (2925, 22175), (4435, 14625), (4875, 13305), (5625, 11531), (7983, 8125)]