247481013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{3571}}^1$

素因数の和:5364

約数の個数: 16

約数和(自身を含む): 355656896

約数和(自身を除く): 108175883

約数列:

[1, 3, 13, 39, 1777, 3571, 5331, 10713, 23101, 46423, 69303, 139269, 6345667, 19037001, 82493671, 247481013]

約数ペア:

[(1, 247481013), (3, 82493671), (13, 19037001), (39, 6345667), (1777, 139269), (3571, 69303), (5331, 46423), (10713, 23101)]