28897317

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 43723680

約数和(自身を除く): 14826363

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 981, 1091, 2943, 3273, 8829, 9819, 26487, 29457, 88371, 118919, 265113, 356757, 1070271, 3210813, 9632439, 28897317]

約数ペア:

[(1, 28897317), (3, 9632439), (9, 3210813), (27, 1070271), (81, 356757), (109, 265113), (243, 118919), (327, 88371), (981, 29457), (1091, 26487), (2943, 9819), (3273, 8829)]