7170021

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{829}}^1$

素因数の和:897

約数の個数: 18

約数和(自身を含む): 10714470

約数和(自身を除く): 3544449

約数列:

[1, 3, 9, 31, 93, 279, 829, 961, 2487, 2883, 7461, 8649, 25699, 77097, 231291, 796669, 2390007, 7170021]

約数ペア:

[(1, 7170021), (3, 2390007), (9, 796669), (31, 231291), (93, 77097), (279, 25699), (829, 8649), (961, 7461), (2487, 2883)]