858704247

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1217}}^1$

素因数の和:1541

約数の個数: 40

約数和(自身を含む): 1329939072

約数和(自身を除く): 471234825

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 281, 837, 843, 1217, 2511, 2529, 3651, 7587, 8711, 10953, 22761, 26133, 32859, 37727, 78399, 98577, 113181, 235197, 339543, 341977, 705591, 1018629, 1025931, 3055887, 3077793, 9233379, 10601287, 27700137, 31803861, 95411583, 286234749, 858704247]

約数ペア:

[(1, 858704247), (3, 286234749), (9, 95411583), (27, 31803861), (31, 27700137), (81, 10601287), (93, 9233379), (279, 3077793), (281, 3055887), (837, 1025931), (843, 1018629), (1217, 705591), (2511, 341977), (2529, 339543), (3651, 235197), (7587, 113181), (8711, 98577), (10953, 78399), (22761, 37727), (26133, 32859)]