222240039

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{35159}}^1$

素因数の和:35219

約数の個数: 24

約数和(自身を含む): 352725120

約数和(自身を除く): 130485081

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 35159, 105477, 246113, 738339, 1511837, 1722791, 4535511, 5168373, 10582859, 31748577, 74080013, 222240039]

約数ペア:

[(1, 222240039), (3, 74080013), (7, 31748577), (21, 10582859), (43, 5168373), (49, 4535511), (129, 1722791), (147, 1511837), (301, 738339), (903, 246113), (2107, 105477), (6321, 35159)]