255706353

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{5419}}^1$

素因数の和:5546

約数の個数: 36

約数和(自身を含む): 433751760

約数和(自身を除く): 178045407

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 2247, 5243, 5419, 6741, 15729, 16257, 37933, 47187, 48771, 113799, 265531, 341397, 579833, 796593, 1739499, 2389779, 4058831, 5218497, 12176493, 28411817, 36529479, 85235451, 255706353]

約数ペア:

[(1, 255706353), (3, 85235451), (7, 36529479), (9, 28411817), (21, 12176493), (49, 5218497), (63, 4058831), (107, 2389779), (147, 1739499), (321, 796593), (441, 579833), (749, 341397), (963, 265531), (2247, 113799), (5243, 48771), (5419, 47187), (6741, 37933), (15729, 16257)]