68273989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1097}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 82850688

約数和(自身を除く): 14576699

約数列:

[1, 7, 17, 119, 523, 1097, 3661, 7679, 8891, 18649, 62237, 130543, 573731, 4016117, 9753427, 68273989]

約数ペア:

[(1, 68273989), (7, 9753427), (17, 4016117), (119, 573731), (523, 130543), (1097, 62237), (3661, 18649), (7679, 8891)]