1280212005

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1202077}}^1$

素因数の和:1202156

約数の個数: 16

約数和(自身を含む): 2077190784

約数和(自身を除く): 796978779

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1202077, 3606231, 6010385, 18031155, 85347467, 256042401, 426737335, 1280212005]

約数ペア:

[(1, 1280212005), (3, 426737335), (5, 256042401), (15, 85347467), (71, 18031155), (213, 6010385), (355, 3606231), (1065, 1202077)]