87572121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16883}}^1$

素因数の和:16925

約数の個数: 32

約数和(自身を含む): 151280640

約数和(自身を除く): 63708519

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 16883, 50649, 118181, 219479, 320777, 354543, 658437, 962331, 1536353, 2245439, 4170101, 4609059, 6736317, 12510303, 29190707, 87572121]

約数ペア:

[(1, 87572121), (3, 29190707), (7, 12510303), (13, 6736317), (19, 4609059), (21, 4170101), (39, 2245439), (57, 1536353), (91, 962331), (133, 658437), (247, 354543), (273, 320777), (399, 219479), (741, 118181), (1729, 50649), (5187, 16883)]