40987863

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 74487600

約数和(自身を除く): 33499737

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 207, 441, 449, 483, 567, 621, 1127, 1323, 1347, 1449, 1863, 3143, 3381, 3969, 4041, 4347, 9429, 10143, 10327, 12123, 13041, 22001, 28287, 30429, 30981, 36369, 66003, 72289, 84861, 91287, 92943, 198009, 216867, 254583, 278829, 506023, 594027, 650601, 836487, 1518069, 1782081, 1951803, 4554207, 5855409, 13662621, 40987863]

約数ペア:

[(1, 40987863), (3, 13662621), (7, 5855409), (9, 4554207), (21, 1951803), (23, 1782081), (27, 1518069), (49, 836487), (63, 650601), (69, 594027), (81, 506023), (147, 278829), (161, 254583), (189, 216867), (207, 198009), (441, 92943), (449, 91287), (483, 84861), (567, 72289), (621, 66003), (1127, 36369), (1323, 30981), (1347, 30429), (1449, 28287), (1863, 22001), (3143, 13041), (3381, 12123), (3969, 10327), (4041, 10143), (4347, 9429)]