219260217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{379}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 108184263

約数列:

[1, 3, 11, 33, 47, 141, 373, 379, 517, 1119, 1137, 1551, 4103, 4169, 12309, 12507, 17531, 17813, 52593, 53439, 141367, 192841, 195943, 424101, 578523, 587829, 1555037, 4665111, 6644249, 19932747, 73086739, 219260217]

約数ペア:

[(1, 219260217), (3, 73086739), (11, 19932747), (33, 6644249), (47, 4665111), (141, 1555037), (373, 587829), (379, 578523), (517, 424101), (1119, 195943), (1137, 192841), (1551, 141367), (4103, 53439), (4169, 52593), (12309, 17813), (12507, 17531)]