80109981

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{17419}}^1$

素因数の和:17505

約数の個数: 24

約数和(自身を含む): 134064320

約数和(自身を除く): 53954339

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 17419, 52257, 121933, 156771, 365799, 1097397, 1271587, 3814761, 8901109, 11444283, 26703327, 80109981]

約数ペア:

[(1, 80109981), (3, 26703327), (7, 11444283), (9, 8901109), (21, 3814761), (63, 1271587), (73, 1097397), (219, 365799), (511, 156771), (657, 121933), (1533, 52257), (4599, 17419)]