312490071

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{277}}^1\times {\mathrm{769}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 456375920

約数和(自身を除く): 143885849

約数列:

[1, 3, 9, 163, 277, 489, 769, 831, 1467, 2307, 2493, 6921, 45151, 125347, 135453, 213013, 376041, 406359, 639039, 1128123, 1917117, 34721119, 104163357, 312490071]

約数ペア:

[(1, 312490071), (3, 104163357), (9, 34721119), (163, 1917117), (277, 1128123), (489, 639039), (769, 406359), (831, 376041), (1467, 213013), (2307, 135453), (2493, 125347), (6921, 45151)]