31187169

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6199}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 49649600

約数和(自身を除く): 18462431

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6199, 18597, 55791, 80587, 241761, 266557, 725283, 799671, 2399013, 3465241, 10395723, 31187169]

約数ペア:

[(1, 31187169), (3, 10395723), (9, 3465241), (13, 2399013), (39, 799671), (43, 725283), (117, 266557), (129, 241761), (387, 80587), (559, 55791), (1677, 18597), (5031, 6199)]