201660212979

素因数分解:

$3^4\times {\mathrm{16703}}^1\times {\mathrm{149053}}^1$

素因数の和:165768

約数の個数: 20

約数和(自身を含む): 301265559936

約数和(自身を除く): 99605346957

約数列:

[1, 3, 9, 27, 81, 16703, 50109, 149053, 150327, 447159, 450981, 1341477, 1352943, 4024431, 12073293, 2489632259, 7468896777, 22406690331, 67220070993, 201660212979]

約数ペア:

[(1, 201660212979), (3, 67220070993), (9, 22406690331), (27, 7468896777), (81, 2489632259), (16703, 12073293), (50109, 4024431), (149053, 1352943), (150327, 1341477), (447159, 450981)]