18291141

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 31224960

約数和(自身を除く): 12933819

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 277, 319, 667, 759, 831, 957, 2001, 2277, 2493, 2871, 3047, 6003, 6371, 7337, 8033, 9141, 19113, 22011, 24099, 27423, 57339, 66033, 70081, 72297, 88363, 184759, 210243, 265089, 554277, 630729, 795267, 1662831, 2032349, 6097047, 18291141]

約数ペア:

[(1, 18291141), (3, 6097047), (9, 2032349), (11, 1662831), (23, 795267), (29, 630729), (33, 554277), (69, 265089), (87, 210243), (99, 184759), (207, 88363), (253, 72297), (261, 70081), (277, 66033), (319, 57339), (667, 27423), (759, 24099), (831, 22011), (957, 19113), (2001, 9141), (2277, 8033), (2493, 7337), (2871, 6371), (3047, 6003)]