2231999

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 2930256

約数和(自身を除く): 698257

約数列:

[1, 7, 11, 41, 49, 77, 101, 287, 451, 539, 707, 1111, 2009, 3157, 4141, 4949, 7777, 22099, 28987, 45551, 54439, 202909, 318857, 2231999]

約数ペア:

[(1, 2231999), (7, 318857), (11, 202909), (41, 54439), (49, 45551), (77, 28987), (101, 22099), (287, 7777), (451, 4949), (539, 4141), (707, 3157), (1111, 2009)]