2123170785

素因数分解:

$3^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{7211}}^1$

素因数の和:7955

約数の個数: 40

約数和(自身を含む): 3811743936

約数和(自身を除く): 1688573151

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 727, 2181, 3635, 6543, 7211, 10905, 19629, 21633, 32715, 36055, 58887, 64899, 98145, 108165, 194697, 294435, 324495, 584091, 973485, 2920455, 5242397, 15727191, 26211985, 47181573, 78635955, 141544719, 235907865, 424634157, 707723595, 2123170785]

約数ペア:

[(1, 2123170785), (3, 707723595), (5, 424634157), (9, 235907865), (15, 141544719), (27, 78635955), (45, 47181573), (81, 26211985), (135, 15727191), (405, 5242397), (727, 2920455), (2181, 973485), (3635, 584091), (6543, 324495), (7211, 294435), (10905, 194697), (19629, 108165), (21633, 98145), (32715, 64899), (36055, 58887)]