28759257

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{11057}}^1$

素因数の和:11097

約数の個数: 18

約数和(自身を含む): 44132478

約数和(自身を除く): 15373221

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 11057, 33171, 99513, 187969, 563907, 1691721, 3195473, 9586419, 28759257]

約数ペア:

[(1, 28759257), (3, 9586419), (9, 3195473), (17, 1691721), (51, 563907), (153, 187969), (289, 99513), (867, 33171), (2601, 11057)]