28507185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90499}}^1$

素因数の和:90517

約数の個数: 24

約数和(自身を含む): 56472000

約数和(自身を除く): 27964815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90499, 271497, 452495, 633493, 814491, 1357485, 1900479, 3167465, 4072455, 5701437, 9502395, 28507185]

約数ペア:

[(1, 28507185), (3, 9502395), (5, 5701437), (7, 4072455), (9, 3167465), (15, 1900479), (21, 1357485), (35, 814491), (45, 633493), (63, 452495), (105, 271497), (315, 90499)]