68012025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21089}}^1$

素因数の和:21145

約数の個数: 24

約数和(自身を含む): 115067040

約数和(自身を除く): 47055015

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21089, 63267, 105445, 316335, 527225, 906827, 1581675, 2720481, 4534135, 13602405, 22670675, 68012025]

約数ペア:

[(1, 68012025), (3, 22670675), (5, 13602405), (15, 4534135), (25, 2720481), (43, 1581675), (75, 906827), (129, 527225), (215, 316335), (645, 105445), (1075, 63267), (3225, 21089)]