12990747

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56237}}^1$

素因数の和:56258

約数の個数: 16

約数和(自身を含む): 21595392

約数和(自身を除く): 8604645

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 56237, 168711, 393659, 618607, 1180977, 1855821, 4330249, 12990747]

約数ペア:

[(1, 12990747), (3, 4330249), (7, 1855821), (11, 1180977), (21, 618607), (33, 393659), (77, 168711), (231, 56237)]