66215807

素因数分解:

$7^3\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2811

約数の個数: 16

約数和(自身を含む): 78336000

約数和(自身を除く): 12120193

約数列:

[1, 7, 49, 71, 343, 497, 2719, 3479, 19033, 24353, 133231, 193049, 932617, 1351343, 9459401, 66215807]

約数ペア:

[(1, 66215807), (7, 9459401), (49, 1351343), (71, 932617), (343, 193049), (497, 133231), (2719, 24353), (3479, 19033)]