64690665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 112872768

約数和(自身を除く): 48182103

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 169, 195, 453, 507, 755, 845, 1963, 2197, 2265, 2535, 5889, 6591, 9815, 10985, 25519, 28561, 29445, 32955, 76557, 85683, 127595, 142805, 331747, 382785, 428415, 995241, 1658735, 4312711, 4976205, 12938133, 21563555, 64690665]

約数ペア:

[(1, 64690665), (3, 21563555), (5, 12938133), (13, 4976205), (15, 4312711), (39, 1658735), (65, 995241), (151, 428415), (169, 382785), (195, 331747), (453, 142805), (507, 127595), (755, 85683), (845, 76557), (1963, 32955), (2197, 29445), (2265, 28561), (2535, 25519), (5889, 10985), (6591, 9815)]