7689087

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 13381632

約数和(自身を除く): 5692545

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 191, 213, 497, 567, 573, 639, 1337, 1491, 1719, 1917, 4011, 4473, 5157, 5751, 12033, 13419, 13561, 15471, 36099, 40257, 40683, 94927, 108297, 122049, 284781, 366147, 854343, 1098441, 2563029, 7689087]

約数ペア:

[(1, 7689087), (3, 2563029), (7, 1098441), (9, 854343), (21, 366147), (27, 284781), (63, 122049), (71, 108297), (81, 94927), (189, 40683), (191, 40257), (213, 36099), (497, 15471), (567, 13561), (573, 13419), (639, 12033), (1337, 5751), (1491, 5157), (1719, 4473), (1917, 4011)]