128538129

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1\times {\mathrm{827}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 173601792

約数和(自身を除く): 45063663

約数列:

[1, 3, 103, 309, 503, 827, 1509, 2481, 51809, 85181, 155427, 255543, 415981, 1247943, 42846043, 128538129]

約数ペア:

[(1, 128538129), (3, 42846043), (103, 1247943), (309, 415981), (503, 255543), (827, 155427), (1509, 85181), (2481, 51809)]