17947293

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 29702400

約数和(自身を除く): 11755107

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 389, 507, 1167, 1183, 2197, 2723, 3549, 5057, 6591, 8169, 15171, 15379, 35399, 46137, 65741, 106197, 197223, 460187, 854633, 1380561, 2563899, 5982431, 17947293]

約数ペア:

[(1, 17947293), (3, 5982431), (7, 2563899), (13, 1380561), (21, 854633), (39, 460187), (91, 197223), (169, 106197), (273, 65741), (389, 46137), (507, 35399), (1167, 15379), (1183, 15171), (2197, 8169), (2723, 6591), (3549, 5057)]