28241451

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2347}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 46884864

約数和(自身を除く): 18643413

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 2347, 4011, 7041, 12033, 16429, 21123, 49287, 147861, 448277, 1344831, 3137939, 4034493, 9413817, 28241451]

約数ペア:

[(1, 28241451), (3, 9413817), (7, 4034493), (9, 3137939), (21, 1344831), (63, 448277), (191, 147861), (573, 49287), (1337, 21123), (1719, 16429), (2347, 12033), (4011, 7041)]