71851581

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{463}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 106694016

約数和(自身を除く): 34842435

約数列:

[1, 3, 9, 43, 129, 387, 401, 463, 1203, 1389, 3609, 4167, 17243, 19909, 51729, 59727, 155187, 179181, 185663, 556989, 1670967, 7983509, 23950527, 71851581]

約数ペア:

[(1, 71851581), (3, 23950527), (9, 7983509), (43, 1670967), (129, 556989), (387, 185663), (401, 179181), (463, 155187), (1203, 59727), (1389, 51729), (3609, 19909), (4167, 17243)]