1553337

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 2354176

約数和(自身を除く): 800839

約数列:

[1, 3, 9, 27, 81, 127, 151, 381, 453, 1143, 1359, 3429, 4077, 10287, 12231, 19177, 57531, 172593, 517779, 1553337]

約数ペア:

[(1, 1553337), (3, 517779), (9, 172593), (27, 57531), (81, 19177), (127, 12231), (151, 10287), (381, 4077), (453, 3429), (1143, 1359)]