206870499

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 348192000

約数和(自身を除く): 141321501

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 171, 209, 213, 627, 639, 781, 1349, 1549, 1881, 2343, 4047, 4647, 7029, 12141, 13941, 14839, 17039, 29431, 44517, 51117, 88293, 109979, 133551, 153351, 264879, 323741, 329937, 971223, 989811, 1209769, 2089601, 2913669, 3629307, 6268803, 10887921, 18806409, 22985611, 68956833, 206870499]

約数ペア:

[(1, 206870499), (3, 68956833), (9, 22985611), (11, 18806409), (19, 10887921), (33, 6268803), (57, 3629307), (71, 2913669), (99, 2089601), (171, 1209769), (209, 989811), (213, 971223), (627, 329937), (639, 323741), (781, 264879), (1349, 153351), (1549, 133551), (1881, 109979), (2343, 88293), (4047, 51117), (4647, 44517), (7029, 29431), (12141, 17039), (13941, 14839)]