31285359

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2441

約数の個数: 40

約数和(自身を含む): 55756800

約数和(自身を除く): 24471441

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 2399, 4347, 7197, 13041, 16793, 21591, 50379, 55177, 64773, 151137, 165531, 194319, 386239, 453411, 496593, 1158717, 1360233, 1489779, 3476151, 4469337, 10428453, 31285359]

約数ペア:

[(1, 31285359), (3, 10428453), (7, 4469337), (9, 3476151), (21, 1489779), (23, 1360233), (27, 1158717), (63, 496593), (69, 453411), (81, 386239), (161, 194319), (189, 165531), (207, 151137), (483, 64773), (567, 55177), (621, 50379), (1449, 21591), (1863, 16793), (2399, 13041), (4347, 7197)]