1278622719

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{51869}}^1$

素因数の和:51972

約数の個数: 32

約数和(自身を含む): 2091398400

約数和(自身を除く): 812775681

約数列:

[1, 3, 9, 11, 27, 33, 83, 99, 249, 297, 747, 913, 2241, 2739, 8217, 24651, 51869, 155607, 466821, 570559, 1400463, 1711677, 4305127, 5135031, 12915381, 15405093, 38746143, 47356397, 116238429, 142069191, 426207573, 1278622719]

約数ペア:

[(1, 1278622719), (3, 426207573), (9, 142069191), (11, 116238429), (27, 47356397), (33, 38746143), (83, 15405093), (99, 12915381), (249, 5135031), (297, 4305127), (747, 1711677), (913, 1400463), (2241, 570559), (2739, 466821), (8217, 155607), (24651, 51869)]