31458843

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 51731680

約数和(自身を除く): 20272837

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 169, 333, 387, 481, 507, 559, 1443, 1521, 1591, 1677, 2197, 4329, 4773, 5031, 6253, 6591, 7267, 14319, 18759, 19773, 20683, 21801, 56277, 62049, 65403, 81289, 94471, 186147, 243867, 268879, 283413, 731601, 806637, 850239, 2419911, 3495427, 10486281, 31458843]

約数ペア:

[(1, 31458843), (3, 10486281), (9, 3495427), (13, 2419911), (37, 850239), (39, 806637), (43, 731601), (111, 283413), (117, 268879), (129, 243867), (169, 186147), (333, 94471), (387, 81289), (481, 65403), (507, 62049), (559, 56277), (1443, 21801), (1521, 20683), (1591, 19773), (1677, 18759), (2197, 14319), (4329, 7267), (4773, 6591), (5031, 6253)]