87504921

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4450

約数の個数: 32

約数和(自身を含む): 149575680

約数和(自身を除く): 62070759

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 4327, 6741, 12981, 20223, 30289, 38943, 90867, 116829, 272601, 462989, 817803, 1388967, 3240923, 4166901, 9722769, 12500703, 29168307, 87504921]

約数ペア:

[(1, 87504921), (3, 29168307), (7, 12500703), (9, 9722769), (21, 4166901), (27, 3240923), (63, 1388967), (107, 817803), (189, 462989), (321, 272601), (749, 116829), (963, 90867), (2247, 38943), (2889, 30289), (4327, 20223), (6741, 12981)]