320139939

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{66571}}^1$

素因数の和:66810

約数の個数: 16

約数和(自身を含む): 489969920

約数和(自身を除く): 169829981

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4809, 66571, 199713, 465997, 1397991, 15244759, 45734277, 106713313, 320139939]

約数ペア:

[(1, 320139939), (3, 106713313), (7, 45734277), (21, 15244759), (229, 1397991), (687, 465997), (1603, 199713), (4809, 66571)]