28879305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21157}}^1$

素因数の和:21185

約数の個数: 32

約数和(自身を含む): 56872704

約数和(自身を除く): 27993399

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21157, 63471, 105785, 148099, 275041, 317355, 444297, 740495, 825123, 1375205, 1925287, 2221485, 4125615, 5775861, 9626435, 28879305]

約数ペア:

[(1, 28879305), (3, 9626435), (5, 5775861), (7, 4125615), (13, 2221485), (15, 1925287), (21, 1375205), (35, 825123), (39, 740495), (65, 444297), (91, 317355), (105, 275041), (195, 148099), (273, 105785), (455, 63471), (1365, 21157)]