28587795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 20556525

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1579, 3621, 4737, 6035, 7895, 18105, 23685, 26843, 80529, 112109, 134215, 336327, 402645, 560545, 1681635, 1905853, 5717559, 9529265, 28587795]

約数ペア:

[(1, 28587795), (3, 9529265), (5, 5717559), (15, 1905853), (17, 1681635), (51, 560545), (71, 402645), (85, 336327), (213, 134215), (255, 112109), (355, 80529), (1065, 26843), (1207, 23685), (1579, 18105), (3621, 7895), (4737, 6035)]