7171335

素因数分解:

$3^4\times 5^1\times {\mathrm{17707}}^1$

素因数の和:17724

約数の個数: 20

約数和(自身を含む): 12856008

約数和(自身を除く): 5684673

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17707, 53121, 88535, 159363, 265605, 478089, 796815, 1434267, 2390445, 7171335]

約数ペア:

[(1, 7171335), (3, 2390445), (5, 1434267), (9, 796815), (15, 478089), (27, 265605), (45, 159363), (81, 88535), (135, 53121), (405, 17707)]