257072115

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{967}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 423751680

約数和(自身を除く): 166679565

約数列:

[1, 3, 5, 15, 37, 111, 185, 479, 555, 967, 1437, 2395, 2901, 4835, 7185, 14505, 17723, 35779, 53169, 88615, 107337, 178895, 265845, 463193, 536685, 1389579, 2315965, 6947895, 17138141, 51414423, 85690705, 257072115]

約数ペア:

[(1, 257072115), (3, 85690705), (5, 51414423), (15, 17138141), (37, 6947895), (111, 2315965), (185, 1389579), (479, 536685), (555, 463193), (967, 265845), (1437, 178895), (2395, 107337), (2901, 88615), (4835, 53169), (7185, 35779), (14505, 17723)]