31277727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6217}}^1$

素因数の和:6279

約数の個数: 24

約数和(自身を含む): 49793744

約数和(自身を除く): 18516017

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6217, 18651, 55953, 80821, 242463, 267331, 727389, 801993, 2405979, 3475303, 10425909, 31277727]

約数ペア:

[(1, 31277727), (3, 10425909), (9, 3475303), (13, 2405979), (39, 801993), (43, 727389), (117, 267331), (129, 242463), (387, 80821), (559, 55953), (1677, 18651), (5031, 6217)]