51480981

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 82166400

約数和(自身を除く): 30685419

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 1003, 1593, 1901, 3009, 5703, 9027, 17109, 27081, 32317, 51327, 96951, 112159, 290853, 336477, 872559, 1009431, 1906703, 3028293, 5720109, 17160327, 51480981]

約数ペア:

[(1, 51480981), (3, 17160327), (9, 5720109), (17, 3028293), (27, 1906703), (51, 1009431), (59, 872559), (153, 336477), (177, 290853), (459, 112159), (531, 96951), (1003, 51327), (1593, 32317), (1901, 27081), (3009, 17109), (5703, 9027)]