1631664951

素因数分解:

$3^1\times 7^1\times {\mathrm{3889}}^1\times {\mathrm{19979}}^1$

素因数の和:23878

約数の個数: 16

約数和(自身を含む): 2487110400

約数和(自身を除く): 855445449

約数列:

[1, 3, 7, 21, 3889, 11667, 19979, 27223, 59937, 81669, 139853, 419559, 77698331, 233094993, 543888317, 1631664951]

約数ペア:

[(1, 1631664951), (3, 543888317), (7, 233094993), (21, 77698331), (3889, 419559), (11667, 139853), (19979, 81669), (27223, 59937)]