31511421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{205957}}^1$

素因数の和:205980

約数の個数: 12

約数和(自身を含む): 48194172

約数和(自身を除く): 16682751

約数列:

[1, 3, 9, 17, 51, 153, 205957, 617871, 1853613, 3501269, 10503807, 31511421]

約数ペア:

[(1, 31511421), (3, 10503807), (9, 3501269), (17, 1853613), (51, 617871), (153, 205957)]