680455209

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{983}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 1122657408

約数和(自身を除く): 442202199

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 277, 357, 831, 833, 983, 1939, 2499, 2949, 4709, 5817, 6881, 13573, 14127, 16711, 20643, 32963, 40719, 48167, 50133, 98889, 116977, 144501, 230741, 272291, 350931, 692223, 816873, 818839, 1906037, 2456517, 4628947, 5718111, 13342259, 13886841, 32402629, 40026777, 97207887, 226818403, 680455209]

約数ペア:

[(1, 680455209), (3, 226818403), (7, 97207887), (17, 40026777), (21, 32402629), (49, 13886841), (51, 13342259), (119, 5718111), (147, 4628947), (277, 2456517), (357, 1906037), (831, 818839), (833, 816873), (983, 692223), (1939, 350931), (2499, 272291), (2949, 230741), (4709, 144501), (5817, 116977), (6881, 98889), (13573, 50133), (14127, 48167), (16711, 40719), (20643, 32963)]