127912561

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 148446720

約数和(自身を除く): 20534159

約数列:

[1, 7, 101, 239, 707, 757, 1673, 5299, 24139, 76457, 168973, 180923, 535199, 1266461, 18273223, 127912561]

約数ペア:

[(1, 127912561), (7, 18273223), (101, 1266461), (239, 535199), (707, 180923), (757, 168973), (1673, 76457), (5299, 24139)]