81567105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 139968000

約数和(自身を除く): 58400895

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 4029, 4049, 6715, 12147, 20145, 20245, 60735, 68833, 206499, 319871, 344165, 959613, 1032495, 1599355, 4798065, 5437807, 16313421, 27189035, 81567105]

約数ペア:

[(1, 81567105), (3, 27189035), (5, 16313421), (15, 5437807), (17, 4798065), (51, 1599355), (79, 1032495), (85, 959613), (237, 344165), (255, 319871), (395, 206499), (1185, 68833), (1343, 60735), (4029, 20245), (4049, 20145), (6715, 12147)]