65389455

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 118609920

約数和(自身を除く): 53220465

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 719, 1935, 2021, 2115, 2157, 3595, 6063, 6471, 10105, 10785, 18189, 30315, 30917, 32355, 33793, 90945, 92751, 101379, 154585, 168965, 278253, 304137, 463755, 506895, 1391265, 1453099, 1520685, 4359297, 7265495, 13077891, 21796485, 65389455]

約数ペア:

[(1, 65389455), (3, 21796485), (5, 13077891), (9, 7265495), (15, 4359297), (43, 1520685), (45, 1453099), (47, 1391265), (129, 506895), (141, 463755), (215, 304137), (235, 278253), (387, 168965), (423, 154585), (645, 101379), (705, 92751), (719, 90945), (1935, 33793), (2021, 32355), (2115, 30917), (2157, 30315), (3595, 18189), (6063, 10785), (6471, 10105)]