205319757

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 294174720

約数和(自身を除く): 88854963

約数列:

[1, 3, 19, 57, 113, 127, 251, 339, 381, 753, 2147, 2413, 4769, 6441, 7239, 14307, 14351, 28363, 31877, 43053, 85089, 95631, 272669, 538897, 605663, 818007, 1616691, 1816989, 3602101, 10806303, 68439919, 205319757]

約数ペア:

[(1, 205319757), (3, 68439919), (19, 10806303), (57, 3602101), (113, 1816989), (127, 1616691), (251, 818007), (339, 605663), (381, 538897), (753, 272669), (2147, 95631), (2413, 85089), (4769, 43053), (6441, 31877), (7239, 28363), (14307, 14351)]