2789025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 4728864

約数和(自身を除く): 1939839

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 907, 1025, 2721, 3075, 4535, 13605, 22675, 37187, 68025, 111561, 185935, 557805, 929675, 2789025]

約数ペア:

[(1, 2789025), (3, 929675), (5, 557805), (15, 185935), (25, 111561), (41, 68025), (75, 37187), (123, 22675), (205, 13605), (615, 4535), (907, 3075), (1025, 2721)]