13893009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18749}}^1$

素因数の和:18784

約数の個数: 16

約数和(自身を含む): 21000000

約数和(自身を除く): 7106991

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 18749, 56247, 243737, 356231, 731211, 1068693, 4631003, 13893009]

約数ペア:

[(1, 13893009), (3, 4631003), (13, 1068693), (19, 731211), (39, 356231), (57, 243737), (247, 56247), (741, 18749)]