2638503

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 4600128

約数和(自身を除く): 1961625

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 193, 217, 279, 441, 579, 651, 1351, 1519, 1737, 1953, 4053, 4557, 5983, 9457, 12159, 13671, 17949, 28371, 41881, 53847, 85113, 125643, 293167, 376929, 879501, 2638503]

約数ペア:

[(1, 2638503), (3, 879501), (7, 376929), (9, 293167), (21, 125643), (31, 85113), (49, 53847), (63, 41881), (93, 28371), (147, 17949), (193, 13671), (217, 12159), (279, 9457), (441, 5983), (579, 4557), (651, 4053), (1351, 1953), (1519, 1737)]