163863

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^2$

素因数の和:53

約数の個数: 30

約数和(自身を含む): 297176

約数和(自身を除く): 133313

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 289, 357, 459, 567, 867, 1071, 1377, 2023, 2601, 3213, 6069, 7803, 9639, 18207, 23409, 54621, 163863]

約数ペア:

[(1, 163863), (3, 54621), (7, 23409), (9, 18207), (17, 9639), (21, 7803), (27, 6069), (51, 3213), (63, 2601), (81, 2023), (119, 1377), (153, 1071), (189, 867), (289, 567), (357, 459)]