207984021

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241561}}^1$

素因数の和:241612

約数の個数: 16

約数和(自身を含む): 324659328

約数和(自身を除く): 116675307

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 241561, 724683, 1690927, 5072781, 9904001, 29712003, 69328007, 207984021]

約数ペア:

[(1, 207984021), (3, 69328007), (7, 29712003), (21, 9904001), (41, 5072781), (123, 1690927), (287, 724683), (861, 241561)]