2080071

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 3473184

約数和(自身を除く): 1393113

約数列:

[1, 3, 7, 9, 21, 63, 137, 241, 411, 723, 959, 1233, 1687, 2169, 2877, 5061, 8631, 15183, 33017, 99051, 231119, 297153, 693357, 2080071]

約数ペア:

[(1, 2080071), (3, 693357), (7, 297153), (9, 231119), (21, 99051), (63, 33017), (137, 15183), (241, 8631), (411, 5061), (723, 2877), (959, 2169), (1233, 1687)]