9781205

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{967}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 14264448

約数和(自身を除く): 4483243

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 967, 1445, 2023, 4835, 6769, 10115, 16439, 33845, 82195, 115073, 279463, 575365, 1397315, 1956241, 9781205]

約数ペア:

[(1, 9781205), (5, 1956241), (7, 1397315), (17, 575365), (35, 279463), (85, 115073), (119, 82195), (289, 33845), (595, 16439), (967, 10115), (1445, 6769), (2023, 4835)]