68709147

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 101112624

約数和(自身を除く): 32403477

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 2067, 2557, 7671, 8957, 26871, 33241, 99723, 135521, 406563, 432133, 1296399, 1761773, 5285319, 22903049, 68709147]

約数ペア:

[(1, 68709147), (3, 22903049), (13, 5285319), (39, 1761773), (53, 1296399), (159, 432133), (169, 406563), (507, 135521), (689, 99723), (2067, 33241), (2557, 26871), (7671, 8957)]