206850609

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1875

約数の個数: 48

約数和(自身を含む): 358051200

約数和(自身を除く): 151200591

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 343, 441, 777, 1029, 1811, 1813, 2331, 3087, 5433, 5439, 12677, 12691, 16299, 16317, 38031, 38073, 67007, 88739, 114093, 114219, 201021, 266217, 469049, 603063, 621173, 798651, 1407147, 1863519, 3283343, 4221441, 5590557, 9850029, 22983401, 29550087, 68950203, 206850609]

約数ペア:

[(1, 206850609), (3, 68950203), (7, 29550087), (9, 22983401), (21, 9850029), (37, 5590557), (49, 4221441), (63, 3283343), (111, 1863519), (147, 1407147), (259, 798651), (333, 621173), (343, 603063), (441, 469049), (777, 266217), (1029, 201021), (1811, 114219), (1813, 114093), (2331, 88739), (3087, 67007), (5433, 38073), (5439, 38031), (12677, 16317), (12691, 16299)]