64840593

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 88231680

約数和(自身を除く): 23391087

約数列:

[1, 3, 79, 137, 237, 411, 1997, 5991, 10823, 32469, 157763, 273589, 473289, 820767, 21613531, 64840593]

約数ペア:

[(1, 64840593), (3, 21613531), (79, 820767), (137, 473289), (237, 273589), (411, 157763), (1997, 32469), (5991, 10823)]