12813843

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 20214480

約数和(自身を除く): 7400637

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1429, 2989, 4287, 8967, 10003, 30009, 70021, 87169, 210063, 261507, 610183, 1830549, 4271281, 12813843]

約数ペア:

[(1, 12813843), (3, 4271281), (7, 1830549), (21, 610183), (49, 261507), (61, 210063), (147, 87169), (183, 70021), (427, 30009), (1281, 10003), (1429, 8967), (2989, 4287)]