2820335

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 3934272

約数和(自身を除く): 1113937

約数列:

[1, 5, 7, 35, 61, 305, 427, 1321, 2135, 6605, 9247, 46235, 80581, 402905, 564067, 2820335]

約数ペア:

[(1, 2820335), (5, 564067), (7, 402905), (35, 80581), (61, 46235), (305, 9247), (427, 6605), (1321, 2135)]