42745479

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28669}}^1$

素因数の和:28750

約数の個数: 16

約数和(自身を含む): 66055680

約数和(自身を除く): 23310201

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 28669, 86007, 200683, 602049, 2035499, 6106497, 14248493, 42745479]

約数ペア:

[(1, 42745479), (3, 14248493), (7, 6106497), (21, 2035499), (71, 602049), (213, 200683), (497, 86007), (1491, 28669)]