28202157

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 42318848

約数和(自身を除く): 14116691

約数列:

[1, 3, 9, 31, 93, 271, 279, 373, 813, 1119, 2439, 3357, 8401, 11563, 25203, 34689, 75609, 101083, 104067, 303249, 909747, 3133573, 9400719, 28202157]

約数ペア:

[(1, 28202157), (3, 9400719), (9, 3133573), (31, 909747), (93, 303249), (271, 104067), (279, 101083), (373, 75609), (813, 34689), (1119, 25203), (2439, 11563), (3357, 8401)]