78856335

素因数分解:

$3^4\times 5^1\times {\mathrm{194707}}^1$

素因数の和:194724

約数の個数: 20

約数和(自身を含む): 141358008

約数和(自身を除く): 62501673

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 194707, 584121, 973535, 1752363, 2920605, 5257089, 8761815, 15771267, 26285445, 78856335]

約数ペア:

[(1, 78856335), (3, 26285445), (5, 15771267), (9, 8761815), (15, 5257089), (27, 2920605), (45, 1752363), (81, 973535), (135, 584121), (405, 194707)]