206903907

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{36901}}^1$

素因数の和:37003

約数の個数: 24

約数和(自身を含む): 345402720

約数和(自身を除く): 138498813

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 36901, 110703, 258307, 332109, 774921, 2324763, 3284189, 9852567, 22989323, 29557701, 68967969, 206903907]

約数ペア:

[(1, 206903907), (3, 68967969), (7, 29557701), (9, 22989323), (21, 9852567), (63, 3284189), (89, 2324763), (267, 774921), (623, 332109), (801, 258307), (1869, 110703), (5607, 36901)]