51172173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1663}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 79951872

約数和(自身を除く): 28779699

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 1663, 2367, 3419, 4989, 10257, 14967, 21619, 30771, 64857, 194571, 437369, 1312107, 3936321, 5685797, 17057391, 51172173]

約数ペア:

[(1, 51172173), (3, 17057391), (9, 5685797), (13, 3936321), (39, 1312107), (117, 437369), (263, 194571), (789, 64857), (1663, 30771), (2367, 21619), (3419, 14967), (4989, 10257)]