17912727

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 29694080

約数和(自身を除く): 11781353

約数列:

[1, 3, 7, 9, 21, 63, 331, 859, 993, 2317, 2577, 2979, 6013, 6951, 7731, 18039, 20853, 54117, 284329, 852987, 1990303, 2558961, 5970909, 17912727]

約数ペア:

[(1, 17912727), (3, 5970909), (7, 2558961), (9, 1990303), (21, 852987), (63, 284329), (331, 54117), (859, 20853), (993, 18039), (2317, 7731), (2577, 6951), (2979, 6013)]