40686831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 62472384

約数和(自身を除く): 21785553

約数列:

[1, 3, 9, 17, 51, 153, 431, 617, 1293, 1851, 3879, 5553, 7327, 10489, 21981, 31467, 65943, 94401, 265927, 797781, 2393343, 4520759, 13562277, 40686831]

約数ペア:

[(1, 40686831), (3, 13562277), (9, 4520759), (17, 2393343), (51, 797781), (153, 265927), (431, 94401), (617, 65943), (1293, 31467), (1851, 21981), (3879, 10489), (5553, 7327)]