248857479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{13049}}^1$

素因数の和:13231

約数の個数: 24

約数和(自身を含む): 389516400

約数和(自身を除く): 140658921

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1467, 2119, 6357, 13049, 19071, 39147, 117441, 169637, 508911, 1526733, 2126987, 6380961, 19142883, 27650831, 82952493, 248857479]

約数ペア:

[(1, 248857479), (3, 82952493), (9, 27650831), (13, 19142883), (39, 6380961), (117, 2126987), (163, 1526733), (489, 508911), (1467, 169637), (2119, 117441), (6357, 39147), (13049, 19071)]