278300241

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 409280040

約数和(自身を除く): 130979799

約数列:

[1, 3, 9, 89, 157, 267, 471, 801, 1413, 2213, 6639, 13973, 19917, 41919, 125757, 196957, 347441, 590871, 1042323, 1772613, 3126969, 30922249, 92766747, 278300241]

約数ペア:

[(1, 278300241), (3, 92766747), (9, 30922249), (89, 3126969), (157, 1772613), (267, 1042323), (471, 590871), (801, 347441), (1413, 196957), (2213, 125757), (6639, 41919), (13973, 19917)]