31028151

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12211}}^1$

素因数の和:12243

約数の個数: 24

約数和(自身を含む): 51974272

約数和(自身を除く): 20946121

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 12211, 36633, 85477, 134321, 256431, 402963, 940247, 1477531, 2820741, 4432593, 10342717, 31028151]

約数ペア:

[(1, 31028151), (3, 10342717), (7, 4432593), (11, 2820741), (21, 1477531), (33, 940247), (77, 402963), (121, 256431), (231, 134321), (363, 85477), (847, 36633), (2541, 12211)]