31720941

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3089}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 52703040

約数和(自身を除く): 20982099

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3089, 3423, 9267, 10269, 21623, 27801, 64869, 194607, 503507, 1510521, 3524549, 4531563, 10573647, 31720941]

約数ペア:

[(1, 31720941), (3, 10573647), (7, 4531563), (9, 3524549), (21, 1510521), (63, 503507), (163, 194607), (489, 64869), (1141, 27801), (1467, 21623), (3089, 10269), (3423, 9267)]