47012721

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{31531}}^1$

素因数の和:31612

約数の個数: 16

約数和(自身を含む): 72649728

約数和(自身を除く): 25637007

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 31531, 94593, 220717, 662151, 2238701, 6716103, 15670907, 47012721]

約数ペア:

[(1, 47012721), (3, 15670907), (7, 6716103), (21, 2238701), (71, 662151), (213, 220717), (497, 94593), (1491, 31531)]