218440279869

素因数分解:

$3^1\times 7^1\times {\mathrm{9931}}^1\times {\mathrm{1047419}}^1$

素因数の和:1057360

約数の個数: 16

約数和(自身を含む): 332895214080

約数和(自身を除く): 114454934211

約数列:

[1, 3, 7, 21, 9931, 29793, 69517, 208551, 1047419, 3142257, 7331933, 21995799, 10401918089, 31205754267, 72813426623, 218440279869]

約数ペア:

[(1, 218440279869), (3, 72813426623), (7, 31205754267), (21, 10401918089), (9931, 21995799), (29793, 7331933), (69517, 3142257), (208551, 1047419)]