71574741

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1618

約数の個数: 36

約数和(自身を含む): 121449900

約数和(自身を除く): 49875159

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 981, 1489, 2289, 4467, 5341, 6867, 10423, 13401, 16023, 31269, 48069, 72961, 93807, 162301, 218883, 486903, 656649, 1136107, 1460709, 3408321, 7952749, 10224963, 23858247, 71574741]

約数ペア:

[(1, 71574741), (3, 23858247), (7, 10224963), (9, 7952749), (21, 3408321), (49, 1460709), (63, 1136107), (109, 656649), (147, 486903), (327, 218883), (441, 162301), (763, 93807), (981, 72961), (1489, 48069), (2289, 31269), (4467, 16023), (5341, 13401), (6867, 10423)]