81023985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{257219}}^1$

素因数の和:257237

約数の個数: 24

約数和(自身を含む): 160505280

約数和(自身を除く): 79481295

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 257219, 771657, 1286095, 1800533, 2314971, 3858285, 5401599, 9002665, 11574855, 16204797, 27007995, 81023985]

約数ペア:

[(1, 81023985), (3, 27007995), (5, 16204797), (7, 11574855), (9, 9002665), (15, 5401599), (21, 3858285), (35, 2314971), (45, 1800533), (63, 1286095), (105, 771657), (315, 257219)]