28530243

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2371}}^1$

素因数の和:2575

約数の個数: 24

約数和(自身を含む): 47364096

約数和(自身を除く): 18833853

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 2371, 4011, 7113, 12033, 16597, 21339, 49791, 149373, 452861, 1358583, 3170027, 4075749, 9510081, 28530243]

約数ペア:

[(1, 28530243), (3, 9510081), (7, 4075749), (9, 3170027), (21, 1358583), (63, 452861), (191, 149373), (573, 49791), (1337, 21339), (1719, 16597), (2371, 12033), (4011, 7113)]