31375827

素因数分解:

$3^2\times 7^2\times {\mathrm{71147}}^1$

素因数の和:71167

約数の個数: 18

約数和(自身を含む): 52720668

約数和(自身を除く): 21344841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 71147, 213441, 498029, 640323, 1494087, 3486203, 4482261, 10458609, 31375827]

約数ペア:

[(1, 31375827), (3, 10458609), (7, 4482261), (9, 3486203), (21, 1494087), (49, 640323), (63, 498029), (147, 213441), (441, 71147)]