218955867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7207}}^1$

素因数の和:7283

約数の個数: 32

約数和(自身を含む): 339064320

約数和(自身を除く): 120108453

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 7207, 10127, 21621, 30381, 93691, 136933, 281073, 295487, 410799, 886461, 1780129, 3841331, 5340387, 5614253, 11523993, 16842759, 72985289, 218955867]

約数ペア:

[(1, 218955867), (3, 72985289), (13, 16842759), (19, 11523993), (39, 5614253), (41, 5340387), (57, 3841331), (123, 1780129), (247, 886461), (533, 410799), (741, 295487), (779, 281073), (1599, 136933), (2337, 93691), (7207, 30381), (10127, 21621)]