9781257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 13828160

約数和(自身を除く): 4046903

約数列:

[1, 3, 19, 57, 157, 471, 1093, 2983, 3279, 8949, 20767, 62301, 171601, 514803, 3260419, 9781257]

約数ペア:

[(1, 9781257), (3, 3260419), (19, 514803), (57, 171601), (157, 62301), (471, 20767), (1093, 8949), (2983, 3279)]