1271889

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 24

約数和(自身を含む): 2013920

約数和(自身を除く): 742031

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 289, 459, 489, 867, 1467, 2601, 2771, 4401, 7803, 8313, 24939, 47107, 74817, 141321, 423963, 1271889]

約数ペア:

[(1, 1271889), (3, 423963), (9, 141321), (17, 74817), (27, 47107), (51, 24939), (153, 8313), (163, 7803), (289, 4401), (459, 2771), (489, 2601), (867, 1467)]