155220485

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{6151}}^1$

素因数の和:6273

約数の個数: 24

約数和(自身を含む): 218814336

約数和(自身を除く): 63593851

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 3605, 5047, 6151, 25235, 30755, 43057, 215285, 301399, 633553, 1506995, 3167765, 4434871, 22174355, 31044097, 155220485]

約数ペア:

[(1, 155220485), (5, 31044097), (7, 22174355), (35, 4434871), (49, 3167765), (103, 1506995), (245, 633553), (515, 301399), (721, 215285), (3605, 43057), (5047, 30755), (6151, 25235)]