16623243

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20323

約数の個数: 24

約数和(自身を含む): 29553888

約数和(自身を除く): 12930645

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20297, 60891, 142079, 182673, 263861, 426237, 791583, 1278711, 1847027, 2374749, 5541081, 16623243]

約数ペア:

[(1, 16623243), (3, 5541081), (7, 2374749), (9, 1847027), (13, 1278711), (21, 791583), (39, 426237), (63, 263861), (91, 182673), (117, 142079), (273, 60891), (819, 20297)]