221897583

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21019}}^1$

素因数の和:21068

約数の個数: 32

約数和(自身を含む): 363225600

約数和(自身を除く): 141328017

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 21019, 63057, 189171, 357323, 483437, 567513, 1071969, 1450311, 3215907, 4350933, 8218429, 9647721, 13052799, 24655287, 73965861, 221897583]

約数ペア:

[(1, 221897583), (3, 73965861), (9, 24655287), (17, 13052799), (23, 9647721), (27, 8218429), (51, 4350933), (69, 3215907), (153, 1450311), (207, 1071969), (391, 567513), (459, 483437), (621, 357323), (1173, 189171), (3519, 63057), (10557, 21019)]