861783567

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{123341}}^1$

素因数の和:123498

約数の個数: 16

約数和(自身を含む): 1225526112

約数和(自身を除く): 363742545

約数列:

[1, 3, 17, 51, 137, 411, 2329, 6987, 123341, 370023, 2096797, 6290391, 16897717, 50693151, 287261189, 861783567]

約数ペア:

[(1, 861783567), (3, 287261189), (17, 50693151), (51, 16897717), (137, 6290391), (411, 2096797), (2329, 370023), (6987, 123341)]