70878807

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1571}}^1$

素因数の和:2140

約数の個数: 20

約数和(自身を含む): 106138296

約数和(自身を除く): 35259489

約数列:

[1, 3, 9, 27, 81, 557, 1571, 1671, 4713, 5013, 14139, 15039, 42417, 45117, 127251, 875047, 2625141, 7875423, 23626269, 70878807]

約数ペア:

[(1, 70878807), (3, 23626269), (9, 7875423), (27, 2625141), (81, 875047), (557, 127251), (1571, 45117), (1671, 42417), (4713, 15039), (5013, 14139)]