17219853

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{617}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 28536768

約数和(自身を除く): 11316915

約数列:

[1, 3, 7, 9, 21, 63, 443, 617, 1329, 1851, 3101, 3987, 4319, 5553, 9303, 12957, 27909, 38871, 273331, 819993, 1913317, 2459979, 5739951, 17219853]

約数ペア:

[(1, 17219853), (3, 5739951), (7, 2459979), (9, 1913317), (21, 819993), (63, 273331), (443, 38871), (617, 27909), (1329, 12957), (1851, 9303), (3101, 5553), (3987, 4319)]