201617493

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 156700587

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 71, 77, 133, 209, 213, 231, 399, 497, 627, 647, 781, 1349, 1463, 1491, 1941, 2343, 4047, 4389, 4529, 5467, 7117, 9443, 12293, 13587, 14839, 16401, 21351, 28329, 36879, 44517, 45937, 49819, 86051, 103873, 135223, 137811, 149457, 258153, 311619, 321559, 405669, 505307, 872803, 946561, 964677, 1515921, 2618409, 2839683, 3537149, 6109621, 9600833, 10611447, 18328863, 28802499, 67205831, 201617493]

約数ペア:

[(1, 201617493), (3, 67205831), (7, 28802499), (11, 18328863), (19, 10611447), (21, 9600833), (33, 6109621), (57, 3537149), (71, 2839683), (77, 2618409), (133, 1515921), (209, 964677), (213, 946561), (231, 872803), (399, 505307), (497, 405669), (627, 321559), (647, 311619), (781, 258153), (1349, 149457), (1463, 137811), (1491, 135223), (1941, 103873), (2343, 86051), (4047, 49819), (4389, 45937), (4529, 44517), (5467, 36879), (7117, 28329), (9443, 21351), (12293, 16401), (13587, 14839)]