18140241

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 30454400

約数和(自身を除く): 12314159

約数列:

[1, 3, 7, 17, 21, 49, 51, 61, 119, 147, 183, 289, 343, 357, 427, 833, 867, 1029, 1037, 1281, 2023, 2499, 2989, 3111, 5831, 6069, 7259, 8967, 14161, 17493, 17629, 20923, 21777, 42483, 50813, 52887, 62769, 99127, 123403, 152439, 297381, 355691, 370209, 863821, 1067073, 2591463, 6046747, 18140241]

約数ペア:

[(1, 18140241), (3, 6046747), (7, 2591463), (17, 1067073), (21, 863821), (49, 370209), (51, 355691), (61, 297381), (119, 152439), (147, 123403), (183, 99127), (289, 62769), (343, 52887), (357, 50813), (427, 42483), (833, 21777), (867, 20923), (1029, 17629), (1037, 17493), (1281, 14161), (2023, 8967), (2499, 7259), (2989, 6069), (3111, 5831)]