989451

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 1572480

約数和(自身を除く): 583029

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 223, 261, 493, 669, 1479, 2007, 3791, 4437, 6467, 11373, 19401, 34119, 58203, 109939, 329817, 989451]

約数ペア:

[(1, 989451), (3, 329817), (9, 109939), (17, 58203), (29, 34119), (51, 19401), (87, 11373), (153, 6467), (223, 4437), (261, 3791), (493, 2007), (669, 1479)]