205342011

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 355829760

約数和(自身を除く): 150487749

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 203, 213, 261, 497, 609, 639, 1491, 1583, 1827, 2059, 4473, 4749, 6177, 11081, 14247, 14413, 18531, 33243, 43239, 45907, 99729, 112393, 129717, 137721, 321349, 337179, 413163, 786751, 964047, 1011537, 2360253, 2892141, 3259397, 7080759, 9778191, 22815779, 29334573, 68447337, 205342011]

約数ペア:

[(1, 205342011), (3, 68447337), (7, 29334573), (9, 22815779), (21, 9778191), (29, 7080759), (63, 3259397), (71, 2892141), (87, 2360253), (203, 1011537), (213, 964047), (261, 786751), (497, 413163), (609, 337179), (639, 321349), (1491, 137721), (1583, 129717), (1827, 112393), (2059, 99729), (4473, 45907), (4749, 43239), (6177, 33243), (11081, 18531), (14247, 14413)]