31152723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 50380800

約数和(自身を除く): 19228077

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 399, 479, 489, 1141, 1437, 3097, 3353, 3423, 9101, 9291, 10059, 21679, 27303, 63707, 65037, 78077, 191121, 234231, 546539, 1483463, 1639617, 4450389, 10384241, 31152723]

約数ペア:

[(1, 31152723), (3, 10384241), (7, 4450389), (19, 1639617), (21, 1483463), (57, 546539), (133, 234231), (163, 191121), (399, 78077), (479, 65037), (489, 63707), (1141, 27303), (1437, 21679), (3097, 10059), (3353, 9291), (3423, 9101)]