31212363

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16333}}^1$

素因数の和:16363

約数の個数: 24

約数和(自身を含む): 52138128

約数和(自身を除く): 20925765

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16333, 48999, 114331, 212329, 342993, 636987, 800317, 1486303, 2400951, 4458909, 10404121, 31212363]

約数ペア:

[(1, 31212363), (3, 10404121), (7, 4458909), (13, 2400951), (21, 1486303), (39, 800317), (49, 636987), (91, 342993), (147, 212329), (273, 114331), (637, 48999), (1911, 16333)]