12899439

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 22049280

約数和(自身を除く): 9149841

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 521, 917, 1179, 1563, 2751, 3537, 3647, 4689, 8253, 10941, 14067, 24759, 32823, 68251, 98469, 204753, 477757, 614259, 1433271, 1842777, 4299813, 12899439]

約数ペア:

[(1, 12899439), (3, 4299813), (7, 1842777), (9, 1433271), (21, 614259), (27, 477757), (63, 204753), (131, 98469), (189, 68251), (393, 32823), (521, 24759), (917, 14067), (1179, 10941), (1563, 8253), (2751, 4689), (3537, 3647)]