206425905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19087}}^1$

素因数の和:19205

約数の個数: 32

約数和(自身を含む): 381149184

約数和(自身を除く): 174723279

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 19087, 57261, 95435, 133609, 286305, 400827, 668045, 1965961, 2004135, 5897883, 9829805, 13761727, 29489415, 41285181, 68808635, 206425905]

約数ペア:

[(1, 206425905), (3, 68808635), (5, 41285181), (7, 29489415), (15, 13761727), (21, 9829805), (35, 5897883), (103, 2004135), (105, 1965961), (309, 668045), (515, 400827), (721, 286305), (1545, 133609), (2163, 95435), (3605, 57261), (10815, 19087)]