215978697

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{727201}}^1$

素因数の和:727221

約数の個数: 16

約数和(自身を含む): 349056960

約数和(自身を除く): 133078263

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 727201, 2181603, 6544809, 7999211, 19634427, 23997633, 71992899, 215978697]

約数ペア:

[(1, 215978697), (3, 71992899), (9, 23997633), (11, 19634427), (27, 7999211), (33, 6544809), (99, 2181603), (297, 727201)]