80872905

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75937}}^1$

素因数の和:76016

約数の個数: 16

約数和(自身を含む): 131220864

約数和(自身を除く): 50347959

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 75937, 227811, 379685, 1139055, 5391527, 16174581, 26957635, 80872905]

約数ペア:

[(1, 80872905), (3, 26957635), (5, 16174581), (15, 5391527), (71, 1139055), (213, 379685), (355, 227811), (1065, 75937)]