25890315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 45501696

約数和(自身を除く): 19611381

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173, 519, 865, 907, 1903, 2595, 2721, 4535, 5709, 9515, 9977, 13605, 28545, 29931, 49885, 149655, 156911, 470733, 784555, 1726021, 2353665, 5178063, 8630105, 25890315]

約数ペア:

[(1, 25890315), (3, 8630105), (5, 5178063), (11, 2353665), (15, 1726021), (33, 784555), (55, 470733), (165, 156911), (173, 149655), (519, 49885), (865, 29931), (907, 28545), (1903, 13605), (2595, 9977), (2721, 9515), (4535, 5709)]