18575487

素因数分解:

$3^4\times 7^1\times {\mathrm{181}}^2$

素因数の和:381

約数の個数: 30

約数和(自身を含む): 31888824

約数和(自身を除く): 13313337

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 181, 189, 543, 567, 1267, 1629, 3801, 4887, 11403, 14661, 32761, 34209, 98283, 102627, 229327, 294849, 687981, 884547, 2063943, 2653641, 6191829, 18575487]

約数ペア:

[(1, 18575487), (3, 6191829), (7, 2653641), (9, 2063943), (21, 884547), (27, 687981), (63, 294849), (81, 229327), (181, 102627), (189, 98283), (543, 34209), (567, 32761), (1267, 14661), (1629, 11403), (3801, 4887)]