42997955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 70834176

約数和(自身を除く): 27836221

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 71, 77, 91, 121, 143, 355, 385, 455, 497, 605, 715, 781, 847, 923, 1001, 1331, 1573, 2485, 3905, 4235, 4615, 5005, 5467, 6461, 6655, 7865, 8591, 9317, 10153, 11011, 17303, 27335, 32305, 42955, 46585, 50765, 55055, 60137, 71071, 86515, 94501, 111683, 121121, 300685, 355355, 472505, 558415, 605605, 661507, 781781, 1228513, 3307535, 3908905, 6142565, 8599591, 42997955]

約数ペア:

[(1, 42997955), (5, 8599591), (7, 6142565), (11, 3908905), (13, 3307535), (35, 1228513), (55, 781781), (65, 661507), (71, 605605), (77, 558415), (91, 472505), (121, 355355), (143, 300685), (355, 121121), (385, 111683), (455, 94501), (497, 86515), (605, 71071), (715, 60137), (781, 55055), (847, 50765), (923, 46585), (1001, 42955), (1331, 32305), (1573, 27335), (2485, 17303), (3905, 11011), (4235, 10153), (4615, 9317), (5005, 8591), (5467, 7865), (6461, 6655)]