12780873

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5483}}^1$

素因数の和:5533

約数の個数: 24

約数和(自身を含む): 21672768

約数和(自身を除く): 8891895

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 5483, 16449, 38381, 49347, 115143, 202871, 345429, 608613, 1420097, 1825839, 4260291, 12780873]

約数ペア:

[(1, 12780873), (3, 4260291), (7, 1825839), (9, 1420097), (21, 608613), (37, 345429), (63, 202871), (111, 115143), (259, 49347), (333, 38381), (777, 16449), (2331, 5483)]