1238481

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 1936896

約数和(自身を除く): 698415

約数列:

[1, 3, 9, 23, 31, 69, 93, 193, 207, 279, 579, 713, 1737, 2139, 4439, 5983, 6417, 13317, 17949, 39951, 53847, 137609, 412827, 1238481]

約数ペア:

[(1, 1238481), (3, 412827), (9, 137609), (23, 53847), (31, 39951), (69, 17949), (93, 13317), (193, 6417), (207, 5983), (279, 4439), (579, 2139), (713, 1737)]