28589589

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:530

約数の個数: 36

約数和(自身を含む): 48416940

約数和(自身を除く): 19827351

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 269, 441, 723, 807, 1687, 1883, 2169, 2421, 5061, 5649, 11809, 13181, 15183, 16947, 35427, 39543, 64829, 106281, 118629, 194487, 453803, 583461, 1361409, 3176621, 4084227, 9529863, 28589589]

約数ペア:

[(1, 28589589), (3, 9529863), (7, 4084227), (9, 3176621), (21, 1361409), (49, 583461), (63, 453803), (147, 194487), (241, 118629), (269, 106281), (441, 64829), (723, 39543), (807, 35427), (1687, 16947), (1883, 15183), (2169, 13181), (2421, 11809), (5061, 5649)]