81937017

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{6709}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 125611200

約数和(自身を除く): 43674183

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 6709, 12213, 20127, 60381, 154307, 395831, 462921, 1187493, 1388763, 3562479, 9104113, 27312339, 81937017]

約数ペア:

[(1, 81937017), (3, 27312339), (9, 9104113), (23, 3562479), (59, 1388763), (69, 1187493), (177, 462921), (207, 395831), (531, 154307), (1357, 60381), (4071, 20127), (6709, 12213)]