128668815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{259937}}^1$

素因数の和:259959

約数の個数: 24

約数和(自身を含む): 243301968

約数和(自身を除く): 114633153

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 259937, 779811, 1299685, 2339433, 2859307, 3899055, 8577921, 11697165, 14296535, 25733763, 42889605, 128668815]

約数ペア:

[(1, 128668815), (3, 42889605), (5, 25733763), (9, 14296535), (11, 11697165), (15, 8577921), (33, 3899055), (45, 2859307), (55, 2339433), (99, 1299685), (165, 779811), (495, 259937)]