81218189

素因数分解:

${\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{4409}}^1$

素因数の和:4544

約数の個数: 12

約数和(自身を含む): 88773300

約数和(自身を除く): 7555111

約数列:

[1, 13, 109, 169, 1417, 4409, 18421, 57317, 480581, 745121, 6247553, 81218189]

約数ペア:

[(1, 81218189), (13, 6247553), (109, 745121), (169, 480581), (1417, 57317), (4409, 18421)]