69131745

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11909}}^1$

素因数の和:11966

約数の個数: 32

約数和(自身を含む): 125769600

約数和(自身を除く): 56637855

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 11909, 35727, 59545, 107181, 178635, 321543, 512087, 535905, 1536261, 1607715, 2560435, 4608783, 7681305, 13826349, 23043915, 69131745]

約数ペア:

[(1, 69131745), (3, 23043915), (5, 13826349), (9, 7681305), (15, 4608783), (27, 2560435), (43, 1607715), (45, 1536261), (129, 535905), (135, 512087), (215, 321543), (387, 178635), (645, 107181), (1161, 59545), (1935, 35727), (5805, 11909)]