638307

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 16

約数和(自身を含む): 967680

約数和(自身を除く): 329373

約数列:

[1, 3, 9, 27, 47, 141, 423, 503, 1269, 1509, 4527, 13581, 23641, 70923, 212769, 638307]

約数ペア:

[(1, 638307), (3, 212769), (9, 70923), (27, 23641), (47, 13581), (141, 4527), (423, 1509), (503, 1269)]