639331329

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2341873}}^1$

素因数の和:2341896

約数の個数: 16

約数和(自身を含む): 1049159552

約数和(自身を除く): 409828223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2341873, 7025619, 16393111, 30444349, 49179333, 91333047, 213110443, 639331329]

約数ペア:

[(1, 639331329), (3, 213110443), (7, 91333047), (13, 49179333), (21, 30444349), (39, 16393111), (91, 7025619), (273, 2341873)]