208078479

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{106543}}^1$

素因数の和:106587

約数の個数: 24

約数和(自身を含む): 354578432

約数和(自身を除く): 146499953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 106543, 319629, 745801, 958887, 2237403, 3302833, 6712209, 9908499, 23119831, 29725497, 69359493, 208078479]

約数ペア:

[(1, 208078479), (3, 69359493), (7, 29725497), (9, 23119831), (21, 9908499), (31, 6712209), (63, 3302833), (93, 2237403), (217, 958887), (279, 745801), (651, 319629), (1953, 106543)]