255057987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5563}}^1$

素因数の和:5643

約数の個数: 32

約数和(自身を含む): 384583680

約数和(自身を除く): 129525693

約数列:

[1, 3, 17, 29, 31, 51, 87, 93, 493, 527, 899, 1479, 1581, 2697, 5563, 15283, 16689, 45849, 94571, 161327, 172453, 283713, 483981, 517359, 2742559, 2931701, 5001137, 8227677, 8795103, 15003411, 85019329, 255057987]

約数ペア:

[(1, 255057987), (3, 85019329), (17, 15003411), (29, 8795103), (31, 8227677), (51, 5001137), (87, 2931701), (93, 2742559), (493, 517359), (527, 483981), (899, 283713), (1479, 172453), (1581, 161327), (2697, 94571), (5563, 45849), (15283, 16689)]