2205441

素因数分解:

$3^3\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 3803040

約数和(自身を除く): 1597599

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1667, 5001, 11669, 15003, 35007, 45009, 81683, 105021, 245049, 315063, 735147, 2205441]

約数ペア:

[(1, 2205441), (3, 735147), (7, 315063), (9, 245049), (21, 105021), (27, 81683), (49, 45009), (63, 35007), (147, 15003), (189, 11669), (441, 5001), (1323, 1667)]