163964439

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{21013}}^1$

素因数の和:21056

約数の個数: 24

約数和(自身を含む): 258051920

約数和(自身を除く): 94087481

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 7803, 21013, 63039, 189117, 357221, 567351, 1071663, 3214989, 6072757, 9644967, 18218271, 54654813, 163964439]

約数ペア:

[(1, 163964439), (3, 54654813), (9, 18218271), (17, 9644967), (27, 6072757), (51, 3214989), (153, 1071663), (289, 567351), (459, 357221), (867, 189117), (2601, 63039), (7803, 21013)]