12978645

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5807}}^1$

素因数の和:5964

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 7930155

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 5807, 17421, 29035, 87105, 865243, 2595729, 4326215, 12978645]

約数ペア:

[(1, 12978645), (3, 4326215), (5, 2595729), (15, 865243), (149, 87105), (447, 29035), (745, 17421), (2235, 5807)]