28357200207

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1\times {\mathrm{3719}}^1$

素因数の和:4812

約数の個数: 48

約数和(自身を含む): 47242690560

約数和(自身を除く): 18885490353

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 953, 1143, 2667, 2859, 3719, 6671, 8001, 8577, 11157, 20013, 26033, 33471, 60039, 78099, 121031, 234297, 363093, 472313, 847217, 1089279, 1416939, 2541651, 3306191, 3544207, 4250817, 7624953, 9918573, 10632621, 24809449, 29755719, 31897863, 74428347, 223285041, 450114289, 1350342867, 3150800023, 4051028601, 9452400069, 28357200207]

約数ペア:

[(1, 28357200207), (3, 9452400069), (7, 4051028601), (9, 3150800023), (21, 1350342867), (63, 450114289), (127, 223285041), (381, 74428347), (889, 31897863), (953, 29755719), (1143, 24809449), (2667, 10632621), (2859, 9918573), (3719, 7624953), (6671, 4250817), (8001, 3544207), (8577, 3306191), (11157, 2541651), (20013, 1416939), (26033, 1089279), (33471, 847217), (60039, 472313), (78099, 363093), (121031, 234297)]