31131947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1399}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 41260800

約数和(自身を除く): 10128853

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 1309, 1399, 2023, 3179, 9793, 15389, 22253, 23783, 107723, 166481, 261613, 404311, 1831291, 2830177, 4447421, 31131947]

約数ペア:

[(1, 31131947), (7, 4447421), (11, 2830177), (17, 1831291), (77, 404311), (119, 261613), (187, 166481), (289, 107723), (1309, 23783), (1399, 22253), (2023, 15389), (3179, 9793)]