28285125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6857}}^1$

素因数の和:6886

約数の個数: 32

約数和(自身を含む): 51352704

約数和(自身を除く): 23067579

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 6857, 20571, 34285, 75427, 102855, 171425, 226281, 377135, 514275, 857125, 1131405, 1885675, 2571375, 5657025, 9428375, 28285125]

約数ペア:

[(1, 28285125), (3, 9428375), (5, 5657025), (11, 2571375), (15, 1885675), (25, 1131405), (33, 857125), (55, 514275), (75, 377135), (125, 226281), (165, 171425), (275, 102855), (375, 75427), (825, 34285), (1375, 20571), (4125, 6857)]