221242077

素因数分解:

$3^3\times 7^1\times {\mathrm{1170593}}^1$

素因数の和:1170609

約数の個数: 16

約数和(自身を含む): 374590080

約数和(自身を除く): 153348003

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1170593, 3511779, 8194151, 10535337, 24582453, 31606011, 73747359, 221242077]

約数ペア:

[(1, 221242077), (3, 73747359), (7, 31606011), (9, 24582453), (21, 10535337), (27, 8194151), (63, 3511779), (189, 1170593)]