1991703

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 3274992

約数和(自身を除く): 1283289

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 797, 833, 2391, 2499, 5579, 13549, 16737, 39053, 40647, 94843, 117159, 284529, 663901, 1991703]

約数ペア:

[(1, 1991703), (3, 663901), (7, 284529), (17, 117159), (21, 94843), (49, 40647), (51, 39053), (119, 16737), (147, 13549), (357, 5579), (797, 2499), (833, 2391)]