31374063

素因数分解:

$3^2\times 7^2\times {\mathrm{71143}}^1$

素因数の和:71163

約数の個数: 18

約数和(自身を含む): 52717704

約数和(自身を除く): 21343641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 71143, 213429, 498001, 640287, 1494003, 3486007, 4482009, 10458021, 31374063]

約数ペア:

[(1, 31374063), (3, 10458021), (7, 4482009), (9, 3486007), (21, 1494003), (49, 640287), (63, 498001), (147, 213429), (441, 71143)]