51393705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 94058496

約数和(自身を除く): 42664791

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 71, 107, 123, 165, 205, 213, 321, 355, 451, 535, 615, 781, 1065, 1177, 1353, 1605, 2255, 2343, 2911, 3531, 3905, 4387, 5885, 6765, 7597, 8733, 11715, 13161, 14555, 17655, 21935, 22791, 32021, 37985, 43665, 48257, 65805, 83567, 96063, 113955, 144771, 160105, 241285, 250701, 311477, 417835, 480315, 723855, 934431, 1253505, 1557385, 3426247, 4672155, 10278741, 17131235, 51393705]

約数ペア:

[(1, 51393705), (3, 17131235), (5, 10278741), (11, 4672155), (15, 3426247), (33, 1557385), (41, 1253505), (55, 934431), (71, 723855), (107, 480315), (123, 417835), (165, 311477), (205, 250701), (213, 241285), (321, 160105), (355, 144771), (451, 113955), (535, 96063), (615, 83567), (781, 65805), (1065, 48257), (1177, 43665), (1353, 37985), (1605, 32021), (2255, 22791), (2343, 21935), (2911, 17655), (3531, 14555), (3905, 13161), (4387, 11715), (5885, 8733), (6765, 7597)]