206586009

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{9967}}^1$

素因数の和:10034

約数の個数: 36

約数和(自身を含む): 354541824

約数和(自身を除く): 147955815

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 9967, 20727, 29901, 69769, 89703, 209307, 468449, 488383, 627921, 1405347, 1465149, 3279143, 4216041, 4395447, 9837429, 22954001, 29512287, 68862003, 206586009]

約数ペア:

[(1, 206586009), (3, 68862003), (7, 29512287), (9, 22954001), (21, 9837429), (47, 4395447), (49, 4216041), (63, 3279143), (141, 1465149), (147, 1405347), (329, 627921), (423, 488383), (441, 468449), (987, 209307), (2303, 89703), (2961, 69769), (6909, 29901), (9967, 20727)]