81506235

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41479}}^1$

素因数の和:41618

約数の個数: 16

約数和(自身を含む): 131408640

約数和(自身を除く): 49902405

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41479, 124437, 207395, 622185, 5433749, 16301247, 27168745, 81506235]

約数ペア:

[(1, 81506235), (3, 27168745), (5, 16301247), (15, 5433749), (131, 622185), (393, 207395), (655, 124437), (1965, 41479)]