28086471

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15373}}^1$

素因数の和:15415

約数の個数: 24

約数和(自身を含む): 47966880

約数和(自身を除く): 19880409

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15373, 46119, 107611, 138357, 322833, 445817, 968499, 1337451, 3120719, 4012353, 9362157, 28086471]

約数ペア:

[(1, 28086471), (3, 9362157), (7, 4012353), (9, 3120719), (21, 1337451), (29, 968499), (63, 445817), (87, 322833), (203, 138357), (261, 107611), (609, 46119), (1827, 15373)]