816404805

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{128669}}^1$

素因数の和:128730

約数の個数: 32

約数和(自身を含む): 1482278400

約数和(自身を除く): 665873595

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 128669, 386007, 643345, 1158021, 1930035, 3474063, 5790105, 6047443, 17370315, 18142329, 30237215, 54426987, 90711645, 163280961, 272134935, 816404805]

約数ペア:

[(1, 816404805), (3, 272134935), (5, 163280961), (9, 90711645), (15, 54426987), (27, 30237215), (45, 18142329), (47, 17370315), (135, 6047443), (141, 5790105), (235, 3474063), (423, 1930035), (705, 1158021), (1269, 643345), (2115, 386007), (6345, 128669)]