201993271749

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{2143}}^1\times {\mathrm{151783}}^1$

素因数の和:153958

約数の個数: 32

約数和(自身を含む): 312407900160

約数和(自身を除く): 110414628411

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 2143, 6429, 19287, 49289, 57861, 147867, 151783, 443601, 455349, 1330803, 1366047, 3491009, 4098141, 10473027, 31419081, 94257243, 325270969, 975812907, 2927438721, 7481232287, 8782316163, 22443696861, 67331090583, 201993271749]

約数ペア:

[(1, 201993271749), (3, 67331090583), (9, 22443696861), (23, 8782316163), (27, 7481232287), (69, 2927438721), (207, 975812907), (621, 325270969), (2143, 94257243), (6429, 31419081), (19287, 10473027), (49289, 4098141), (57861, 3491009), (147867, 1366047), (151783, 1330803), (443601, 455349)]