245790867

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{17707}}^1$

素因数の和:18378

約数の個数: 16

約数和(自身を含む): 375126272

約数和(自身を除く): 129335405

約数列:

[1, 3, 7, 21, 661, 1983, 4627, 13881, 17707, 53121, 123949, 371847, 11704327, 35112981, 81930289, 245790867]

約数ペア:

[(1, 245790867), (3, 81930289), (7, 35112981), (21, 11704327), (661, 371847), (1983, 123949), (4627, 53121), (13881, 17707)]