81909861

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{4801}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 122623872

約数和(自身を除く): 40714011

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1551, 4801, 5687, 14403, 17061, 52811, 158433, 225647, 580921, 676941, 1742763, 2482117, 7446351, 27303287, 81909861]

約数ペア:

[(1, 81909861), (3, 27303287), (11, 7446351), (33, 2482117), (47, 1742763), (121, 676941), (141, 580921), (363, 225647), (517, 158433), (1551, 52811), (4801, 17061), (5687, 14403)]