221569506

素因数分解:

$2^1\times 3^4\times {\mathrm{1367713}}^1$

素因数の和:1367727

約数の個数: 20

約数和(自身を含む): 496480182

約数和(自身を除く): 274910676

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1367713, 2735426, 4103139, 8206278, 12309417, 24618834, 36928251, 73856502, 110784753, 221569506]

約数ペア:

[(1, 221569506), (2, 110784753), (3, 73856502), (6, 36928251), (9, 24618834), (18, 12309417), (27, 8206278), (54, 4103139), (81, 2735426), (162, 1367713)]