7886970891

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{769}}^1\times {\mathrm{997}}^1$

素因数の和:1905

約数の個数: 40

約数和(自身を含む): 11901908480

約数和(自身を除く): 4014937589

約数列:

[1, 3, 9, 27, 81, 127, 381, 769, 997, 1143, 2307, 2991, 3429, 6921, 8973, 10287, 20763, 26919, 62289, 80757, 97663, 126619, 292989, 379857, 766693, 878967, 1139571, 2300079, 2636901, 3418713, 6900237, 7910703, 10256139, 20700711, 62102133, 97370011, 292110033, 876330099, 2628990297, 7886970891]

約数ペア:

[(1, 7886970891), (3, 2628990297), (9, 876330099), (27, 292110033), (81, 97370011), (127, 62102133), (381, 20700711), (769, 10256139), (997, 7910703), (1143, 6900237), (2307, 3418713), (2991, 2636901), (3429, 2300079), (6921, 1139571), (8973, 878967), (10287, 766693), (20763, 379857), (26919, 292989), (62289, 126619), (80757, 97663)]