42912081

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 63722880

約数和(自身を除く): 20810799

約数列:

[1, 3, 9, 47, 141, 229, 423, 443, 687, 1329, 2061, 3987, 10763, 20821, 32289, 62463, 96867, 101447, 187389, 304341, 913023, 4768009, 14304027, 42912081]

約数ペア:

[(1, 42912081), (3, 14304027), (9, 4768009), (47, 913023), (141, 304341), (229, 187389), (423, 101447), (443, 96867), (687, 62463), (1329, 32289), (2061, 20821), (3987, 10763)]