81428463

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{23747}}^1$

素因数の和:23883

約数の個数: 16

約数和(自身を含む): 121589760

約数和(自身を除く): 40161297

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 23747, 71241, 213723, 641169, 3015869, 9047607, 27142821, 81428463]

約数ペア:

[(1, 81428463), (3, 27142821), (9, 9047607), (27, 3015869), (127, 641169), (381, 213723), (1143, 71241), (3429, 23747)]