15639855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1231}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 31460352

約数和(自身を除く): 15820497

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1231, 1815, 2541, 3693, 4235, 6155, 8617, 12705, 13541, 18465, 25851, 40623, 43085, 67705, 94787, 129255, 148951, 203115, 284361, 446853, 473935, 744755, 1042657, 1421805, 2234265, 3127971, 5213285, 15639855]

約数ペア:

[(1, 15639855), (3, 5213285), (5, 3127971), (7, 2234265), (11, 1421805), (15, 1042657), (21, 744755), (33, 473935), (35, 446853), (55, 284361), (77, 203115), (105, 148951), (121, 129255), (165, 94787), (231, 67705), (363, 43085), (385, 40623), (605, 25851), (847, 18465), (1155, 13541), (1231, 12705), (1815, 8617), (2541, 6155), (3693, 4235)]