220106721

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{7027}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 300573504

約数和(自身を除く): 80466783

約数列:

[1, 3, 53, 159, 197, 591, 7027, 10441, 21081, 31323, 372431, 1117293, 1384319, 4152957, 73368907, 220106721]

約数ペア:

[(1, 220106721), (3, 73368907), (53, 4152957), (159, 1384319), (197, 1117293), (591, 372431), (7027, 31323), (10441, 21081)]