12180819

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2749}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 18656000

約数和(自身を除く): 6475181

約数列:

[1, 3, 7, 21, 211, 633, 1477, 2749, 4431, 8247, 19243, 57729, 580039, 1740117, 4060273, 12180819]

約数ペア:

[(1, 12180819), (3, 4060273), (7, 1740117), (21, 580039), (211, 57729), (633, 19243), (1477, 8247), (2749, 4431)]