127742881

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 148192128

約数和(自身を除く): 20449247

約数列:

[1, 7, 101, 281, 643, 707, 1967, 4501, 28381, 64943, 180683, 198667, 454601, 1264781, 18248983, 127742881]

約数ペア:

[(1, 127742881), (7, 18248983), (101, 1264781), (281, 454601), (643, 198667), (707, 180683), (1967, 64943), (4501, 28381)]