263567439

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 418994928

約数和(自身を除く): 155427489

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 277, 459, 691, 831, 1377, 2073, 2493, 4709, 6219, 7479, 11747, 14127, 18657, 22437, 35241, 42381, 55971, 105723, 127143, 191407, 317169, 381429, 574221, 951507, 1722663, 3253919, 5167989, 9761757, 15503967, 29285271, 87855813, 263567439]

約数ペア:

[(1, 263567439), (3, 87855813), (9, 29285271), (17, 15503967), (27, 9761757), (51, 5167989), (81, 3253919), (153, 1722663), (277, 951507), (459, 574221), (691, 381429), (831, 317169), (1377, 191407), (2073, 127143), (2493, 105723), (4709, 55971), (6219, 42381), (7479, 35241), (11747, 22437), (14127, 18657)]