1991620005

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1368811}}^1$

素因数の和:1368916

約数の個数: 16

約数和(自身を含む): 3219445824

約数和(自身を除く): 1227825819

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 1368811, 4106433, 6844055, 20532165, 132774667, 398324001, 663873335, 1991620005]

約数ペア:

[(1, 1991620005), (3, 663873335), (5, 398324001), (15, 132774667), (97, 20532165), (291, 6844055), (485, 4106433), (1455, 1368811)]