81910005

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133187}}^1$

素因数の和:133236

約数の個数: 16

約数和(自身を含む): 134253504

約数和(自身を除く): 52343499

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 133187, 399561, 665935, 1997805, 5460667, 16382001, 27303335, 81910005]

約数ペア:

[(1, 81910005), (3, 27303335), (5, 16382001), (15, 5460667), (41, 1997805), (123, 665935), (205, 399561), (615, 133187)]