291237669

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2903}}^1$

素因数の和:3137

約数の個数: 24

約数和(自身を含む): 429466752

約数和(自身を除く): 138229083

約数列:

[1, 3, 9, 71, 157, 213, 471, 639, 1413, 2903, 8709, 11147, 26127, 33441, 100323, 206113, 455771, 618339, 1367313, 1855017, 4101939, 32359741, 97079223, 291237669]

約数ペア:

[(1, 291237669), (3, 97079223), (9, 32359741), (71, 4101939), (157, 1855017), (213, 1367313), (471, 618339), (639, 455771), (1413, 206113), (2903, 100323), (8709, 33441), (11147, 26127)]