17621009

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 21189120

約数和(自身を除く): 3568111

約数列:

[1, 7, 29, 61, 203, 427, 1423, 1769, 9961, 12383, 41267, 86803, 288869, 607621, 2517287, 17621009]

約数ペア:

[(1, 17621009), (7, 2517287), (29, 607621), (61, 288869), (203, 86803), (427, 41267), (1423, 12383), (1769, 9961)]