31359285

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 24800715

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 1559, 2235, 4023, 4677, 6705, 7795, 14031, 20115, 23385, 42093, 70155, 210465, 232291, 696873, 1161455, 2090619, 3484365, 6271857, 10453095, 31359285]

約数ペア:

[(1, 31359285), (3, 10453095), (5, 6271857), (9, 3484365), (15, 2090619), (27, 1161455), (45, 696873), (135, 232291), (149, 210465), (447, 70155), (745, 42093), (1341, 23385), (1559, 20115), (2235, 14031), (4023, 7795), (4677, 6705)]