17985149

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 23260032

約数和(自身を除く): 5274883

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 661, 1183, 2093, 3887, 4627, 8593, 15203, 27209, 60151, 106421, 111709, 197639, 781963, 1383473, 2569307, 17985149]

約数ペア:

[(1, 17985149), (7, 2569307), (13, 1383473), (23, 781963), (91, 197639), (161, 111709), (169, 106421), (299, 60151), (661, 27209), (1183, 15203), (2093, 8593), (3887, 4627)]