128766405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{276917}}^1$

素因数の和:276956

約数の個数: 16

約数和(自身を含む): 212673024

約数和(自身を除く): 83906619

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 276917, 830751, 1384585, 4153755, 8584427, 25753281, 42922135, 128766405]

約数ペア:

[(1, 128766405), (3, 42922135), (5, 25753281), (15, 8584427), (31, 4153755), (93, 1384585), (155, 830751), (465, 276917)]