87213861

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20102

約数の個数: 32

約数和(自身を含む): 154091520

約数和(自身を除く): 66877659

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 20063, 60189, 140441, 180567, 421323, 461449, 541701, 1263969, 1384347, 3230143, 3791907, 4153041, 9690429, 12459123, 29071287, 87213861]

約数ペア:

[(1, 87213861), (3, 29071287), (7, 12459123), (9, 9690429), (21, 4153041), (23, 3791907), (27, 3230143), (63, 1384347), (69, 1263969), (161, 541701), (189, 461449), (207, 421323), (483, 180567), (621, 140441), (1449, 60189), (4347, 20063)]