127890273

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1277}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 206115840

約数和(自身を除く): 78225567

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1277, 1757, 3831, 4769, 5271, 8939, 14307, 24263, 26817, 33383, 72789, 100149, 169841, 320527, 509523, 961581, 2243689, 6090013, 6731067, 18270039, 42630091, 127890273]

約数ペア:

[(1, 127890273), (3, 42630091), (7, 18270039), (19, 6731067), (21, 6090013), (57, 2243689), (133, 961581), (251, 509523), (399, 320527), (753, 169841), (1277, 100149), (1757, 72789), (3831, 33383), (4769, 26817), (5271, 24263), (8939, 14307)]