161979777

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2393}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 252806400

約数和(自身を除く): 90826623

約数列:

[1, 3, 9, 23, 27, 69, 109, 207, 327, 621, 981, 2393, 2507, 2943, 7179, 7521, 21537, 22563, 55039, 64611, 67689, 165117, 260837, 495351, 782511, 1486053, 2347533, 5999251, 7042599, 17997753, 53993259, 161979777]

約数ペア:

[(1, 161979777), (3, 53993259), (9, 17997753), (23, 7042599), (27, 5999251), (69, 2347533), (109, 1486053), (207, 782511), (327, 495351), (621, 260837), (981, 165117), (2393, 67689), (2507, 64611), (2943, 55039), (7179, 22563), (7521, 21537)]