81247242

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{221987}}^1$

素因数の和:222053

約数の個数: 16

約数和(自身を含む): 165159072

約数和(自身を除く): 83911830

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 221987, 443974, 665961, 1331922, 13541207, 27082414, 40623621, 81247242]

約数ペア:

[(1, 81247242), (2, 40623621), (3, 27082414), (6, 13541207), (61, 1331922), (122, 665961), (183, 443974), (366, 221987)]