254583279

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{97879}}^1$

素因数の和:97919

約数の個数: 18

約数和(自身を含む): 390639080

約数和(自身を除く): 136055801

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 97879, 293637, 880911, 1663943, 4991829, 14975487, 28287031, 84861093, 254583279]

約数ペア:

[(1, 254583279), (3, 84861093), (9, 28287031), (17, 14975487), (51, 4991829), (153, 1663943), (289, 880911), (867, 293637), (2601, 97879)]