221523337

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23459}}^1$

素因数の和:23556

約数の個数: 16

約数和(自身を含む): 270259200

約数和(自身を除く): 48735863

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 23459, 164213, 445721, 1665589, 3120047, 11659123, 31646191, 221523337]

約数ペア:

[(1, 221523337), (7, 31646191), (19, 11659123), (71, 3120047), (133, 1665589), (497, 445721), (1349, 164213), (9443, 23459)]