313626117

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{15349}}^1$

素因数の和:15505

約数の個数: 24

約数和(自身を含む): 489972000

約数和(自身を除く): 176345883

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 15349, 20433, 46047, 107443, 322329, 752101, 2133511, 2256303, 6400533, 14934577, 44803731, 104542039, 313626117]

約数ペア:

[(1, 313626117), (3, 104542039), (7, 44803731), (21, 14934577), (49, 6400533), (139, 2256303), (147, 2133511), (417, 752101), (973, 322329), (2919, 107443), (6811, 46047), (15349, 20433)]