68138445

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 112464000

約数和(自身を除く): 44325555

約数列:

[1, 3, 5, 15, 43, 129, 149, 215, 447, 645, 709, 745, 2127, 2235, 3545, 6407, 10635, 19221, 30487, 32035, 91461, 96105, 105641, 152435, 316923, 457305, 528205, 1584615, 4542563, 13627689, 22712815, 68138445]

約数ペア:

[(1, 68138445), (3, 22712815), (5, 13627689), (15, 4542563), (43, 1584615), (129, 528205), (149, 457305), (215, 316923), (447, 152435), (645, 105641), (709, 96105), (745, 91461), (2127, 32035), (2235, 30487), (3545, 19221), (6407, 10635)]