3996025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 18

約数和(自身を含む): 5450606

約数和(自身を除く): 1454581

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 1321, 3025, 6605, 14531, 33025, 72655, 159841, 363275, 799205, 3996025]

約数ペア:

[(1, 3996025), (5, 799205), (11, 363275), (25, 159841), (55, 72655), (121, 33025), (275, 14531), (605, 6605), (1321, 3025)]