18312291

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1531}}^1$

素因数の和:1983

約数の個数: 16

約数和(自身を含む): 27208320

約数和(自身を除く): 8896029

約数列:

[1, 3, 9, 27, 443, 1329, 1531, 3987, 4593, 11961, 13779, 41337, 678233, 2034699, 6104097, 18312291]

約数ペア:

[(1, 18312291), (3, 6104097), (9, 2034699), (27, 678233), (443, 41337), (1329, 13779), (1531, 11961), (3987, 4593)]