61778025

素因数分解:

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

素因数の和:4855

約数の個数: 48

約数和(自身を含む): 119486400

約数和(自身を除く): 57708375

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 4817, 12825, 14451, 24085, 43353, 72255, 91523, 120425, 130059, 216765, 274569, 361275, 457615, 650295, 823707, 1083825, 1372845, 2288075, 2471121, 3251475, 4118535, 6864225, 12355605, 20592675, 61778025]

約数ペア:

[(1, 61778025), (3, 20592675), (5, 12355605), (9, 6864225), (15, 4118535), (19, 3251475), (25, 2471121), (27, 2288075), (45, 1372845), (57, 1083825), (75, 823707), (95, 650295), (135, 457615), (171, 361275), (225, 274569), (285, 216765), (475, 130059), (513, 120425), (675, 91523), (855, 72255), (1425, 43353), (2565, 24085), (4275, 14451), (4817, 12825)]