2069872725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{641821}}^1$

素因数の和:641877

約数の個数: 24

約数和(自身を含む): 3501780832

約数和(自身を除く): 1431908107

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 641821, 1925463, 3209105, 9627315, 16045525, 27598303, 48136575, 82794909, 137991515, 413974545, 689957575, 2069872725]

約数ペア:

[(1, 2069872725), (3, 689957575), (5, 413974545), (15, 137991515), (25, 82794909), (43, 48136575), (75, 27598303), (129, 16045525), (215, 9627315), (645, 3209105), (1075, 1925463), (3225, 641821)]