31330881

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 50503464

約数和(自身を除く): 19172583

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 373, 459, 549, 1037, 1119, 1377, 1647, 3111, 3357, 4941, 6341, 9333, 10071, 19023, 22753, 27999, 30213, 57069, 68259, 83997, 171207, 204777, 386801, 513621, 614331, 1160403, 1842993, 3481209, 10443627, 31330881]

約数ペア:

[(1, 31330881), (3, 10443627), (9, 3481209), (17, 1842993), (27, 1160403), (51, 614331), (61, 513621), (81, 386801), (153, 204777), (183, 171207), (373, 83997), (459, 68259), (549, 57069), (1037, 30213), (1119, 27999), (1377, 22753), (1647, 19023), (3111, 10071), (3357, 9333), (4941, 6341)]