7421841

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 12718080

約数和(自身を除く): 5296239

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 367, 749, 963, 1101, 2247, 2569, 2889, 3303, 6741, 7707, 9909, 20223, 23121, 39269, 69363, 117807, 274883, 353421, 824649, 1060263, 2473947, 7421841]

約数ペア:

[(1, 7421841), (3, 2473947), (7, 1060263), (9, 824649), (21, 353421), (27, 274883), (63, 117807), (107, 69363), (189, 39269), (321, 23121), (367, 20223), (749, 9909), (963, 7707), (1101, 6741), (2247, 3303), (2569, 2889)]