81947835

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5569}}^1$

素因数の和:5692

約数の個数: 32

約数和(自身を含む): 147048000

約数和(自身を除く): 65100165

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 5569, 14715, 16707, 27845, 50121, 83535, 150363, 250605, 607021, 751815, 1821063, 3035105, 5463189, 9105315, 16389567, 27315945, 81947835]

約数ペア:

[(1, 81947835), (3, 27315945), (5, 16389567), (9, 9105315), (15, 5463189), (27, 3035105), (45, 1821063), (109, 751815), (135, 607021), (327, 250605), (545, 150363), (981, 83535), (1635, 50121), (2943, 27845), (4905, 16707), (5569, 14715)]