28293675

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3583

約数の個数: 24

約数和(自身を含む): 47221680

約数和(自身を除く): 18928005

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 3461, 8175, 10383, 17305, 51915, 86525, 259575, 377249, 1131747, 1886245, 5658735, 9431225, 28293675]

約数ペア:

[(1, 28293675), (3, 9431225), (5, 5658735), (15, 1886245), (25, 1131747), (75, 377249), (109, 259575), (327, 86525), (545, 51915), (1635, 17305), (2725, 10383), (3461, 8175)]