263660259

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 379330560

約数和(自身を除く): 115670301

約数列:

[1, 3, 17, 51, 97, 223, 239, 291, 669, 717, 1649, 3791, 4063, 4947, 11373, 12189, 21631, 23183, 53297, 64893, 69549, 159891, 367727, 394111, 906049, 1103181, 1182333, 2718147, 5169809, 15509427, 87886753, 263660259]

約数ペア:

[(1, 263660259), (3, 87886753), (17, 15509427), (51, 5169809), (97, 2718147), (223, 1182333), (239, 1103181), (291, 906049), (669, 394111), (717, 367727), (1649, 159891), (3791, 69549), (4063, 64893), (4947, 53297), (11373, 23183), (12189, 21631)]