7138719

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 12234240

約数和(自身を除く): 5095521

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 353, 749, 963, 1059, 2247, 2471, 2889, 3177, 6741, 7413, 9531, 20223, 22239, 37771, 66717, 113313, 264397, 339939, 793191, 1019817, 2379573, 7138719]

約数ペア:

[(1, 7138719), (3, 2379573), (7, 1019817), (9, 793191), (21, 339939), (27, 264397), (63, 113313), (107, 66717), (189, 37771), (321, 22239), (353, 20223), (749, 9531), (963, 7413), (1059, 6741), (2247, 3177), (2471, 2889)]