27123255

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 49013712

約数和(自身を除く): 21890457

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 347, 405, 579, 965, 1041, 1735, 1737, 2895, 3123, 5205, 5211, 8685, 9369, 15615, 15633, 26055, 28107, 46845, 66971, 78165, 140535, 200913, 334855, 602739, 1004565, 1808217, 3013695, 5424651, 9041085, 27123255]

約数ペア:

[(1, 27123255), (3, 9041085), (5, 5424651), (9, 3013695), (15, 1808217), (27, 1004565), (45, 602739), (81, 334855), (135, 200913), (193, 140535), (347, 78165), (405, 66971), (579, 46845), (965, 28107), (1041, 26055), (1735, 15633), (1737, 15615), (2895, 9369), (3123, 8685), (5205, 5211)]