642239715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{253349}}^1$

素因数の和:253383

約数の個数: 24

約数和(自身を含む): 1112713200

約数和(自身を除く): 470473485

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 253349, 760047, 1266745, 3293537, 3800235, 9880611, 16467685, 42815981, 49403055, 128447943, 214079905, 642239715]

約数ペア:

[(1, 642239715), (3, 214079905), (5, 128447943), (13, 49403055), (15, 42815981), (39, 16467685), (65, 9880611), (169, 3800235), (195, 3293537), (507, 1266745), (845, 760047), (2535, 253349)]