81156825

素因数分解:

$3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3371}}^1$

素因数の和:3494

約数の個数: 36

約数和(自身を含む): 146762928

約数和(自身を除く): 65606103

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 225, 321, 535, 963, 1605, 2675, 3371, 4815, 8025, 10113, 16855, 24075, 30339, 50565, 84275, 151695, 252825, 360697, 758475, 1082091, 1803485, 3246273, 5410455, 9017425, 16231365, 27052275, 81156825]

約数ペア:

[(1, 81156825), (3, 27052275), (5, 16231365), (9, 9017425), (15, 5410455), (25, 3246273), (45, 1803485), (75, 1082091), (107, 758475), (225, 360697), (321, 252825), (535, 151695), (963, 84275), (1605, 50565), (2675, 30339), (3371, 24075), (4815, 16855), (8025, 10113)]