78001755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{400009}}^1$

素因数の和:400030

約数の個数: 16

約数和(自身を含む): 134403360

約数和(自身を除く): 56401605

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 400009, 1200027, 2000045, 5200117, 6000135, 15600351, 26000585, 78001755]

約数ペア:

[(1, 78001755), (3, 26000585), (5, 15600351), (13, 6000135), (15, 5200117), (39, 2000045), (65, 1200027), (195, 400009)]