31521393

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{3853}}^1$

素因数の和:3966

約数の個数: 20

約数和(自身を含む): 47566068

約数和(自身を除く): 16044675

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 3853, 8181, 11559, 34677, 104031, 312093, 389153, 1167459, 3502377, 10507131, 31521393]

約数ペア:

[(1, 31521393), (3, 10507131), (9, 3502377), (27, 1167459), (81, 389153), (101, 312093), (303, 104031), (909, 34677), (2727, 11559), (3853, 8181)]