138659661

素因数分解:

$3^3\times 7^2\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 240439680

約数和(自身を除く): 101780019

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 311, 337, 441, 933, 1011, 1323, 2177, 2359, 2799, 3033, 6531, 7077, 8397, 9099, 15239, 16513, 19593, 21231, 45717, 49539, 58779, 63693, 104807, 137151, 148617, 314421, 411453, 445851, 733649, 943263, 2200947, 2829789, 5135543, 6602841, 15406629, 19808523, 46219887, 138659661]

約数ペア:

[(1, 138659661), (3, 46219887), (7, 19808523), (9, 15406629), (21, 6602841), (27, 5135543), (49, 2829789), (63, 2200947), (147, 943263), (189, 733649), (311, 445851), (337, 411453), (441, 314421), (933, 148617), (1011, 137151), (1323, 104807), (2177, 63693), (2359, 58779), (2799, 49539), (3033, 45717), (6531, 21231), (7077, 19593), (8397, 16513), (9099, 15239)]