71680689

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 105791400

約数和(自身を除く): 34110711

約数列:

[1, 3, 9, 89, 109, 267, 327, 801, 821, 981, 2463, 7389, 9701, 29103, 73069, 87309, 89489, 219207, 268467, 657621, 805401, 7964521, 23893563, 71680689]

約数ペア:

[(1, 71680689), (3, 23893563), (9, 7964521), (89, 805401), (109, 657621), (267, 268467), (327, 219207), (801, 89489), (821, 87309), (981, 73069), (2463, 29103), (7389, 9701)]