81108615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45439}}^1$

素因数の和:45471

約数の個数: 32

約数和(自身を含む): 157040640

約数和(自身を除く): 75932025

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 45439, 136317, 227195, 318073, 681585, 772463, 954219, 1590365, 2317389, 3862315, 4771095, 5407241, 11586945, 16221723, 27036205, 81108615]

約数ペア:

[(1, 81108615), (3, 27036205), (5, 16221723), (7, 11586945), (15, 5407241), (17, 4771095), (21, 3862315), (35, 2317389), (51, 1590365), (85, 954219), (105, 772463), (119, 681585), (255, 318073), (357, 227195), (595, 136317), (1785, 45439)]