28183095

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8821}}^1$

素因数の和:8903

約数の個数: 24

約数和(自身を含む): 49544352

約数和(自身を除く): 21361257

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 8821, 26463, 44105, 79389, 132315, 396945, 626291, 1878873, 3131455, 5636619, 9394365, 28183095]

約数ペア:

[(1, 28183095), (3, 9394365), (5, 5636619), (9, 3131455), (15, 1878873), (45, 626291), (71, 396945), (213, 132315), (355, 79389), (639, 44105), (1065, 26463), (3195, 8821)]