28988025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 53621568

約数和(自身を除く): 24633543

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 165, 205, 275, 451, 615, 825, 857, 1025, 1353, 2255, 2571, 3075, 4285, 6765, 9427, 11275, 12855, 21425, 28281, 33825, 35137, 47135, 64275, 105411, 141405, 175685, 235675, 386507, 527055, 707025, 878425, 1159521, 1932535, 2635275, 5797605, 9662675, 28988025]

約数ペア:

[(1, 28988025), (3, 9662675), (5, 5797605), (11, 2635275), (15, 1932535), (25, 1159521), (33, 878425), (41, 707025), (55, 527055), (75, 386507), (123, 235675), (165, 175685), (205, 141405), (275, 105411), (451, 64275), (615, 47135), (825, 35137), (857, 33825), (1025, 28281), (1353, 21425), (2255, 12855), (2571, 11275), (3075, 9427), (4285, 6765)]