18200007

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9363

約数の個数: 24

約数和(自身を含む): 31016960

約数和(自身を除く): 12816953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9319, 27957, 65233, 83871, 195699, 288889, 587097, 866667, 2022223, 2600001, 6066669, 18200007]

約数ペア:

[(1, 18200007), (3, 6066669), (7, 2600001), (9, 2022223), (21, 866667), (31, 587097), (63, 288889), (93, 195699), (217, 83871), (279, 65233), (651, 27957), (1953, 9319)]