28173033

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7331}}^1$

素因数の和:7405

約数の個数: 24

約数和(自身を含む): 47276736

約数和(自身を除く): 19103703

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7331, 21993, 51317, 65979, 153951, 447191, 461853, 1341573, 3130337, 4024719, 9391011, 28173033]

約数ペア:

[(1, 28173033), (3, 9391011), (7, 4024719), (9, 3130337), (21, 1341573), (61, 461853), (63, 447191), (183, 153951), (427, 65979), (549, 51317), (1281, 21993), (3843, 7331)]