81957085

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137743}}^1$

素因数の和:137772

約数の個数: 16

約数和(自身を含む): 119010816

約数和(自身を除く): 37053731

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 137743, 688715, 964201, 2341631, 4821005, 11708155, 16391417, 81957085]

約数ペア:

[(1, 81957085), (5, 16391417), (7, 11708155), (17, 4821005), (35, 2341631), (85, 964201), (119, 688715), (595, 137743)]