51187731

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 83312640

約数和(自身を除く): 32124909

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 889, 1129, 2159, 2667, 3387, 6477, 7903, 15113, 19193, 23709, 45339, 57579, 134351, 143383, 403053, 430149, 1003681, 2437511, 3011043, 7312533, 17062577, 51187731]

約数ペア:

[(1, 51187731), (3, 17062577), (7, 7312533), (17, 3011043), (21, 2437511), (51, 1003681), (119, 430149), (127, 403053), (357, 143383), (381, 134351), (889, 57579), (1129, 45339), (2159, 23709), (2667, 19193), (3387, 15113), (6477, 7903)]