71208123

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4703}}^1$

素因数の和:4823

約数の個数: 24

約数和(自身を含む): 111541248

約数和(自身を除く): 40333125

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 4703, 5047, 14109, 15141, 32921, 98763, 230447, 484409, 691341, 1453227, 3390863, 10172589, 23736041, 71208123]

約数ペア:

[(1, 71208123), (3, 23736041), (7, 10172589), (21, 3390863), (49, 1453227), (103, 691341), (147, 484409), (309, 230447), (721, 98763), (2163, 32921), (4703, 15141), (5047, 14109)]