28698039

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 42357744

約数和(自身を除く): 13659705

約数列:

[1, 3, 9, 101, 131, 241, 303, 393, 723, 909, 1179, 2169, 13231, 24341, 31571, 39693, 73023, 94713, 119079, 219069, 284139, 3188671, 9566013, 28698039]

約数ペア:

[(1, 28698039), (3, 9566013), (9, 3188671), (101, 284139), (131, 219069), (241, 119079), (303, 94713), (393, 73023), (723, 39693), (909, 31571), (1179, 24341), (2169, 13231)]