28375347

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 51242240

約数和(自身を除く): 22866893

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 273, 363, 429, 847, 859, 1001, 1573, 2541, 2577, 3003, 4719, 6013, 9449, 11011, 11167, 18039, 28347, 33033, 33501, 66143, 78169, 103939, 122837, 198429, 234507, 311817, 368511, 727573, 859859, 1351207, 2182719, 2579577, 4053621, 9458449, 28375347]

約数ペア:

[(1, 28375347), (3, 9458449), (7, 4053621), (11, 2579577), (13, 2182719), (21, 1351207), (33, 859859), (39, 727573), (77, 368511), (91, 311817), (121, 234507), (143, 198429), (231, 122837), (273, 103939), (363, 78169), (429, 66143), (847, 33501), (859, 33033), (1001, 28347), (1573, 18039), (2541, 11167), (2577, 11011), (3003, 9449), (4719, 6013)]