54866667

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 80289792

約数和(自身を除く): 25423125

約数列:

[1, 3, 17, 43, 51, 127, 129, 197, 381, 591, 731, 2159, 2193, 3349, 5461, 6477, 8471, 10047, 16383, 25019, 25413, 75057, 92837, 144007, 278511, 425323, 432021, 1075817, 1275969, 3227451, 18288889, 54866667]

約数ペア:

[(1, 54866667), (3, 18288889), (17, 3227451), (43, 1275969), (51, 1075817), (127, 432021), (129, 425323), (197, 278511), (381, 144007), (591, 92837), (731, 75057), (2159, 25413), (2193, 25019), (3349, 16383), (5461, 10047), (6477, 8471)]