2001128973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{643243}}^1$

素因数の和:643324

約数の個数: 16

約数和(自身を含む): 2871441216

約数和(自身を除く): 870312243

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 643243, 1929729, 10935131, 32805393, 39237823, 117713469, 667042991, 2001128973]

約数ペア:

[(1, 2001128973), (3, 667042991), (17, 117713469), (51, 39237823), (61, 32805393), (183, 10935131), (1037, 1929729), (3111, 643243)]