641199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 945504

約数和(自身を除く): 304305

約数列:

[1, 3, 13, 39, 41, 123, 401, 533, 1203, 1599, 5213, 15639, 16441, 49323, 213733, 641199]

約数ペア:

[(1, 641199), (3, 213733), (13, 49323), (39, 16441), (41, 15639), (123, 5213), (401, 1599), (533, 1203)]