66121881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{165719}}^1$

素因数の和:165748

約数の個数: 16

約数和(自身を含む): 106060800

約数和(自身を除く): 39938919

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 165719, 497157, 1160033, 3148661, 3480099, 9445983, 22040627, 66121881]

約数ペア:

[(1, 66121881), (3, 22040627), (7, 9445983), (19, 3480099), (21, 3148661), (57, 1160033), (133, 497157), (399, 165719)]