12881865

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1361}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 20658816

約数和(自身を除く): 7776951

約数列:

[1, 3, 5, 15, 631, 1361, 1893, 3155, 4083, 6805, 9465, 20415, 858791, 2576373, 4293955, 12881865]

約数ペア:

[(1, 12881865), (3, 4293955), (5, 2576373), (15, 858791), (631, 20415), (1361, 9465), (1893, 6805), (3155, 4083)]