28888713

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19937}}^1$

素因数の和:19973

約数の個数: 24

約数和(自身を含む): 49765248

約数和(自身を除く): 20876535

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19937, 59811, 139559, 179433, 418677, 458551, 1256031, 1375653, 3209857, 4126959, 9629571, 28888713]

約数ペア:

[(1, 28888713), (3, 9629571), (7, 4126959), (9, 3209857), (21, 1375653), (23, 1256031), (63, 458551), (69, 418677), (161, 179433), (207, 139559), (483, 59811), (1449, 19937)]