81583845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3251}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 149852160

約数和(自身を除く): 68268315

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 1195, 1673, 3251, 3585, 5019, 8365, 9753, 16255, 22757, 25095, 48765, 68271, 113785, 341355, 776989, 2330967, 3884945, 5438923, 11654835, 16316769, 27194615, 81583845]

約数ペア:

[(1, 81583845), (3, 27194615), (5, 16316769), (7, 11654835), (15, 5438923), (21, 3884945), (35, 2330967), (105, 776989), (239, 341355), (717, 113785), (1195, 68271), (1673, 48765), (3251, 25095), (3585, 22757), (5019, 16255), (8365, 9753)]