18227853

素因数分解:

$3^2\times 7^2\times {\mathrm{41333}}^1$

素因数の和:41353

約数の個数: 18

約数和(自身を含む): 30628494

約数和(自身を除く): 12400641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41333, 123999, 289331, 371997, 867993, 2025317, 2603979, 6075951, 18227853]

約数ペア:

[(1, 18227853), (3, 6075951), (7, 2603979), (9, 2025317), (21, 867993), (49, 371997), (63, 289331), (147, 123999), (441, 41333)]