78857499

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{52889}}^1$

素因数の和:52970

約数の個数: 16

約数和(自身を含む): 121858560

約数和(自身を除く): 43001061

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 52889, 158667, 370223, 1110669, 3755119, 11265357, 26285833, 78857499]

約数ペア:

[(1, 78857499), (3, 26285833), (7, 11265357), (21, 3755119), (71, 1110669), (213, 370223), (497, 158667), (1491, 52889)]