7913457

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 11918016

約数和(自身を除く): 4004559

約数列:

[1, 3, 9, 27, 81, 151, 453, 647, 1359, 1941, 4077, 5823, 12231, 17469, 52407, 97697, 293091, 879273, 2637819, 7913457]

約数ペア:

[(1, 7913457), (3, 2637819), (9, 879273), (27, 293091), (81, 97697), (151, 52407), (453, 17469), (647, 12231), (1359, 5823), (1941, 4077)]