209754

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 466752

約数和(自身を除く): 256998

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 271, 387, 542, 774, 813, 1626, 2439, 4878, 11653, 23306, 34959, 69918, 104877, 209754]

約数ペア:

[(1, 209754), (2, 104877), (3, 69918), (6, 34959), (9, 23306), (18, 11653), (43, 4878), (86, 2439), (129, 1626), (258, 813), (271, 774), (387, 542)]