28829745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4854

約数の個数: 48

約数和(自身を含む): 60128640

約数和(自身を除く): 31298895

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4817, 5985, 14451, 24085, 33719, 43353, 72255, 91523, 101157, 168595, 216765, 274569, 303471, 457615, 505785, 640661, 823707, 1372845, 1517355, 1921983, 3203305, 4118535, 5765949, 9609915, 28829745]

約数ペア:

[(1, 28829745), (3, 9609915), (5, 5765949), (7, 4118535), (9, 3203305), (15, 1921983), (19, 1517355), (21, 1372845), (35, 823707), (45, 640661), (57, 505785), (63, 457615), (95, 303471), (105, 274569), (133, 216765), (171, 168595), (285, 101157), (315, 91523), (399, 72255), (665, 43353), (855, 33719), (1197, 24085), (1995, 14451), (4817, 5985)]