72011121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13925

約数の個数: 32

約数和(自身を含む): 124400640

約数和(自身を除く): 52389519

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 13883, 41649, 97181, 180479, 263777, 291543, 541437, 791331, 1263353, 1846439, 3429101, 3790059, 5539317, 10287303, 24003707, 72011121]

約数ペア:

[(1, 72011121), (3, 24003707), (7, 10287303), (13, 5539317), (19, 3790059), (21, 3429101), (39, 1846439), (57, 1263353), (91, 791331), (133, 541437), (247, 291543), (273, 263777), (399, 180479), (741, 97181), (1729, 41649), (5187, 13883)]