221517666

素因数分解:

$2^1\times 3^4\times {\mathrm{1367393}}^1$

素因数の和:1367407

約数の個数: 20

約数和(自身を含む): 496364022

約数和(自身を除く): 274846356

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1367393, 2734786, 4102179, 8204358, 12306537, 24613074, 36919611, 73839222, 110758833, 221517666]

約数ペア:

[(1, 221517666), (2, 110758833), (3, 73839222), (6, 36919611), (9, 24613074), (18, 12306537), (27, 8204358), (54, 4102179), (81, 2734786), (162, 1367393)]