127420363

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 148262400

約数和(自身を除く): 20842037

約数列:

[1, 7, 71, 449, 497, 571, 3143, 3997, 31879, 40541, 223153, 256379, 283787, 1794653, 18202909, 127420363]

約数ペア:

[(1, 127420363), (7, 18202909), (71, 1794653), (449, 283787), (497, 256379), (571, 223153), (3143, 40541), (3997, 31879)]