81315615

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{17431}}^1$

素因数の和:17750

約数の個数: 16

約数和(自身を含む): 130530816

約数和(自身を除く): 49215201

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4665, 17431, 52293, 87155, 261465, 5421041, 16263123, 27105205, 81315615]

約数ペア:

[(1, 81315615), (3, 27105205), (5, 16263123), (15, 5421041), (311, 261465), (933, 87155), (1555, 52293), (4665, 17431)]