280121907

素因数分解:

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

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 410119024

約数和(自身を除く): 129997117

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 2557, 2809, 7671, 8427, 33241, 36517, 99723, 109551, 135521, 406563, 1761773, 5285319, 7182613, 21547839, 93373969, 280121907]

約数ペア:

[(1, 280121907), (3, 93373969), (13, 21547839), (39, 7182613), (53, 5285319), (159, 1761773), (689, 406563), (2067, 135521), (2557, 109551), (2809, 99723), (7671, 36517), (8427, 33241)]