172818745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{20809}}^1$

素因数の和:20976

約数の個数: 16

約数和(自身を含む): 227744640

約数和(自身を除く): 54925895

約数列:

[1, 5, 11, 55, 151, 755, 1661, 8305, 20809, 104045, 228899, 1144495, 3142159, 15710795, 34563749, 172818745]

約数ペア:

[(1, 172818745), (5, 34563749), (11, 15710795), (55, 3142159), (151, 1144495), (755, 228899), (1661, 104045), (8305, 20809)]