18222813

素因数分解:

$3^6\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3596

約数の個数: 28

約数和(自身を含む): 31233568

約数和(自身を除く): 13010755

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3571, 5103, 10713, 24997, 32139, 74991, 96417, 224973, 289251, 674919, 867753, 2024757, 2603259, 6074271, 18222813]

約数ペア:

[(1, 18222813), (3, 6074271), (7, 2603259), (9, 2024757), (21, 867753), (27, 674919), (63, 289251), (81, 224973), (189, 96417), (243, 74991), (567, 32139), (729, 24997), (1701, 10713), (3571, 5103)]