165857481

素因数分解:

$3^2\times {\mathrm{971}}^1\times {\mathrm{18979}}^1$

素因数の和:19956

約数の個数: 12

約数和(自身を含む): 239831280

約数和(自身を除く): 73973799

約数列:

[1, 3, 9, 971, 2913, 8739, 18979, 56937, 170811, 18428609, 55285827, 165857481]

約数ペア:

[(1, 165857481), (3, 55285827), (9, 18428609), (971, 170811), (2913, 56937), (8739, 18979)]