31399623

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 18021177

約数列:

[1, 3, 9, 23, 27, 59, 69, 177, 207, 531, 621, 857, 1357, 1593, 2571, 4071, 7713, 12213, 19711, 23139, 36639, 50563, 59133, 151689, 177399, 455067, 532197, 1162949, 1365201, 3488847, 10466541, 31399623]

約数ペア:

[(1, 31399623), (3, 10466541), (9, 3488847), (23, 1365201), (27, 1162949), (59, 532197), (69, 455067), (177, 177399), (207, 151689), (531, 59133), (621, 50563), (857, 36639), (1357, 23139), (1593, 19711), (2571, 12213), (4071, 7713)]