40815971

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{6263}}^1$

素因数の和:6303

約数の個数: 16

約数和(自身を含む): 50112000

約数和(自身を除く): 9296029

約数列:

[1, 7, 19, 49, 133, 343, 931, 6263, 6517, 43841, 118997, 306887, 832979, 2148209, 5830853, 40815971]

約数ペア:

[(1, 40815971), (7, 5830853), (19, 2148209), (49, 832979), (133, 306887), (343, 118997), (931, 43841), (6263, 6517)]