7998417

素因数分解:

$3^2\times 7^3\times {\mathrm{2591}}^1$

素因数の和:2618

約数の個数: 24

約数和(自身を含む): 13478400

約数和(自身を除く): 5479983

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2591, 3087, 7773, 18137, 23319, 54411, 126959, 163233, 380877, 888713, 1142631, 2666139, 7998417]

約数ペア:

[(1, 7998417), (3, 2666139), (7, 1142631), (9, 888713), (21, 380877), (49, 163233), (63, 126959), (147, 54411), (343, 23319), (441, 18137), (1029, 7773), (2591, 3087)]