81021906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{643031}}^1$

素因数の和:643046

約数の個数: 24

約数和(自身を含む): 200625984

約数和(自身を除く): 119604078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643031, 1286062, 1929093, 3858186, 4501217, 5787279, 9002434, 11574558, 13503651, 27007302, 40510953, 81021906]

約数ペア:

[(1, 81021906), (2, 40510953), (3, 27007302), (6, 13503651), (7, 11574558), (9, 9002434), (14, 5787279), (18, 4501217), (21, 3858186), (42, 1929093), (63, 1286062), (126, 643031)]