201998110797

素因数分解:

$3^4\times 7^1\times {\mathrm{356257691}}^1$

素因数の和:356257710

約数の個数: 20

約数和(自身を含む): 344857445856

約数和(自身を除く): 142859335059

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 356257691, 1068773073, 2493803837, 3206319219, 7481411511, 9618957657, 22444234533, 28856872971, 67332703599, 201998110797]

約数ペア:

[(1, 201998110797), (3, 67332703599), (7, 28856872971), (9, 22444234533), (21, 9618957657), (27, 7481411511), (63, 3206319219), (81, 2493803837), (189, 1068773073), (567, 356257691)]