80857105

素因数分解:

$5^1\times 7^3\times {\mathrm{47147}}^1$

素因数の和:47173

約数の個数: 16

約数和(自身を含む): 113155200

約数和(自身を除く): 32298095

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 47147, 235735, 330029, 1650145, 2310203, 11551015, 16171421, 80857105]

約数ペア:

[(1, 80857105), (5, 16171421), (7, 11551015), (35, 2310203), (49, 1650145), (245, 330029), (343, 235735), (1715, 47147)]