78813885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{142007}}^1$

素因数の和:142052

約数の個数: 16

約数和(自身を含む): 129511296

約数和(自身を除く): 50697411

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 142007, 426021, 710035, 2130105, 5254259, 15762777, 26271295, 78813885]

約数ペア:

[(1, 78813885), (3, 26271295), (5, 15762777), (15, 5254259), (37, 2130105), (111, 710035), (185, 426021), (555, 142007)]