81034575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{25127}}^1$

素因数の和:25183

約数の個数: 24

約数和(自身を含む): 137098368

約数和(自身を除く): 56063793

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 25127, 75381, 125635, 376905, 628175, 1080461, 1884525, 3241383, 5402305, 16206915, 27011525, 81034575]

約数ペア:

[(1, 81034575), (3, 27011525), (5, 16206915), (15, 5402305), (25, 3241383), (43, 1884525), (75, 1080461), (129, 628175), (215, 376905), (645, 125635), (1075, 75381), (3225, 25127)]