990147399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{237959}}^1$

素因数の和:238054

約数の個数: 16

約数和(自身を含む): 1408723200

約数和(自身を除く): 418575801

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 237959, 713877, 4521221, 13563663, 17371007, 52113021, 330049133, 990147399]

約数ペア:

[(1, 990147399), (3, 330049133), (19, 52113021), (57, 17371007), (73, 13563663), (219, 4521221), (1387, 713877), (4161, 237959)]