7320321

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 10929600

約数和(自身を除く): 3609279

約数列:

[1, 3, 9, 27, 137, 411, 1233, 1979, 3699, 5937, 17811, 53433, 271123, 813369, 2440107, 7320321]

約数ペア:

[(1, 7320321), (3, 2440107), (9, 813369), (27, 271123), (137, 53433), (411, 17811), (1233, 5937), (1979, 3699)]