138597831

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 209649600

約数和(自身を除く): 71051769

約数列:

[1, 3, 9, 27, 89, 137, 267, 411, 421, 801, 1233, 1263, 2403, 3699, 3789, 11367, 12193, 36579, 37469, 57677, 109737, 112407, 173031, 329211, 337221, 519093, 1011663, 1557279, 5133253, 15399759, 46199277, 138597831]

約数ペア:

[(1, 138597831), (3, 46199277), (9, 15399759), (27, 5133253), (89, 1557279), (137, 1011663), (267, 519093), (411, 337221), (421, 329211), (801, 173031), (1233, 112407), (1263, 109737), (2403, 57677), (3699, 37469), (3789, 36579), (11367, 12193)]