27996819

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 12645741

約数列:

[1, 3, 23, 47, 69, 89, 97, 141, 267, 291, 1081, 2047, 2231, 3243, 4183, 4559, 6141, 6693, 8633, 12549, 13677, 25899, 96209, 104857, 198559, 288627, 314571, 405751, 595677, 1217253, 9332273, 27996819]

約数ペア:

[(1, 27996819), (3, 9332273), (23, 1217253), (47, 595677), (69, 405751), (89, 314571), (97, 288627), (141, 198559), (267, 104857), (291, 96209), (1081, 25899), (2047, 13677), (2231, 12549), (3243, 8633), (4183, 6693), (4559, 6141)]