28272657

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4691}}^1$

素因数の和:4749

約数の個数: 24

約数和(自身を含む): 44930592

約数和(自身を除く): 16657935

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4691, 6027, 14073, 32837, 98511, 192331, 229859, 576993, 689577, 1346317, 4038951, 9424219, 28272657]

約数ペア:

[(1, 28272657), (3, 9424219), (7, 4038951), (21, 1346317), (41, 689577), (49, 576993), (123, 229859), (147, 192331), (287, 98511), (861, 32837), (2009, 14073), (4691, 6027)]