205887171

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{15737}}^1$

素因数の和:15843

約数の個数: 24

約数和(自身を含む): 322943760

約数和(自身を除く): 117056589

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 15737, 47211, 110159, 330477, 771113, 1400593, 2313339, 4201779, 9804151, 29412453, 68629057, 205887171]

約数ペア:

[(1, 205887171), (3, 68629057), (7, 29412453), (21, 9804151), (49, 4201779), (89, 2313339), (147, 1400593), (267, 771113), (623, 330477), (1869, 110159), (4361, 47211), (13083, 15737)]