1921731

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 3160080

約数和(自身を除く): 1238349

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 769, 833, 2307, 2499, 5383, 13073, 16149, 37681, 39219, 91511, 113043, 274533, 640577, 1921731]

約数ペア:

[(1, 1921731), (3, 640577), (7, 274533), (17, 113043), (21, 91511), (49, 39219), (51, 37681), (119, 16149), (147, 13073), (357, 5383), (769, 2499), (833, 2307)]