855996399

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{51439}}^1$

素因数の和:51531

約数の個数: 18

約数和(自身を含む): 1265886960

約数和(自身を除く): 409890561

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 16641, 51439, 154317, 462951, 2211877, 6635631, 19906893, 95110711, 285332133, 855996399]

約数ペア:

[(1, 855996399), (3, 285332133), (9, 95110711), (43, 19906893), (129, 6635631), (387, 2211877), (1849, 462951), (5547, 154317), (16641, 51439)]