209966169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{526231}}^1$

素因数の和:526260

約数の個数: 16

約数和(自身を含む): 336788480

約数和(自身を除く): 126822311

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 526231, 1578693, 3683617, 9998389, 11050851, 29995167, 69988723, 209966169]

約数ペア:

[(1, 209966169), (3, 69988723), (7, 29995167), (19, 11050851), (21, 9998389), (57, 3683617), (133, 1578693), (399, 526231)]