81325743

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2454

約数の個数: 16

約数和(自身を含む): 110647296

約数和(自身を除く): 29321553

約数列:

[1, 3, 71, 173, 213, 519, 2207, 6621, 12283, 36849, 156697, 381811, 470091, 1145433, 27108581, 81325743]

約数ペア:

[(1, 81325743), (3, 27108581), (71, 1145433), (173, 470091), (213, 381811), (519, 156697), (2207, 36849), (6621, 12283)]