28206441

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 16272279

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 857, 1219, 1431, 2571, 3657, 7713, 10971, 19711, 23139, 32913, 45421, 59133, 136263, 177399, 408789, 532197, 1044683, 1226367, 3134049, 9402147, 28206441]

約数ペア:

[(1, 28206441), (3, 9402147), (9, 3134049), (23, 1226367), (27, 1044683), (53, 532197), (69, 408789), (159, 177399), (207, 136263), (477, 59133), (621, 45421), (857, 32913), (1219, 23139), (1431, 19711), (2571, 10971), (3657, 7713)]