12196821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 20500480

約数和(自身を除く): 8303659

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1039, 1677, 3117, 3913, 7273, 11739, 13507, 21819, 40521, 44677, 94549, 134031, 283647, 312739, 580801, 938217, 1742403, 4065607, 12196821]

約数ペア:

[(1, 12196821), (3, 4065607), (7, 1742403), (13, 938217), (21, 580801), (39, 312739), (43, 283647), (91, 134031), (129, 94549), (273, 44677), (301, 40521), (559, 21819), (903, 13507), (1039, 11739), (1677, 7273), (3117, 3913)]