81251634

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{221999}}^1$

素因数の和:222065

約数の個数: 16

約数和(自身を含む): 165168000

約数和(自身を除く): 83916366

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 221999, 443998, 665997, 1331994, 13541939, 27083878, 40625817, 81251634]

約数ペア:

[(1, 81251634), (2, 40625817), (3, 27083878), (6, 13541939), (61, 1331994), (122, 665997), (183, 443998), (366, 221999)]