1980615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 3902976

約数和(自身を除く): 1922361

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1451, 4353, 7255, 10157, 18863, 21765, 30471, 50785, 56589, 94315, 132041, 152355, 282945, 396123, 660205, 1980615]

約数ペア:

[(1, 1980615), (3, 660205), (5, 396123), (7, 282945), (13, 152355), (15, 132041), (21, 94315), (35, 56589), (39, 50785), (65, 30471), (91, 21765), (105, 18863), (195, 10157), (273, 7255), (455, 4353), (1365, 1451)]