18198243

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 13059357

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1319, 1533, 1971, 3957, 4599, 9233, 11871, 13797, 27699, 35613, 83097, 96287, 249291, 288861, 674009, 866583, 2022027, 2599749, 6066081, 18198243]

約数ペア:

[(1, 18198243), (3, 6066081), (7, 2599749), (9, 2022027), (21, 866583), (27, 674009), (63, 288861), (73, 249291), (189, 96287), (219, 83097), (511, 35613), (657, 27699), (1319, 13797), (1533, 11871), (1971, 9233), (3957, 4599)]