6981221

素因数分解:

${\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 12

約数和(自身を含む): 7653060

約数和(自身を除く): 671839

約数列:

[1, 13, 101, 169, 409, 1313, 5317, 17069, 41309, 69121, 537017, 6981221]

約数ペア:

[(1, 6981221), (13, 537017), (101, 69121), (169, 41309), (409, 17069), (1313, 5317)]