820126089

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{42443}}^1$

素因数の和:42581

約数の個数: 24

約数和(自身を含む): 1258040160

約数和(自身を除く): 437914071

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 2147, 6441, 19323, 42443, 127329, 381987, 806417, 2419251, 4796059, 7257753, 14388177, 43164531, 91125121, 273375363, 820126089]

約数ペア:

[(1, 820126089), (3, 273375363), (9, 91125121), (19, 43164531), (57, 14388177), (113, 7257753), (171, 4796059), (339, 2419251), (1017, 806417), (2147, 381987), (6441, 127329), (19323, 42443)]