171855145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6287}}^1$

素因数の和:6381

約数の個数: 32

約数和(自身を含む): 260775936

約数和(自身を除く): 88920791

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 2485, 3905, 5467, 6287, 27335, 31435, 44009, 69157, 220045, 345785, 446377, 484099, 2231885, 2420495, 3124639, 4910147, 15623195, 24550735, 34371029, 171855145]

約数ペア:

[(1, 171855145), (5, 34371029), (7, 24550735), (11, 15623195), (35, 4910147), (55, 3124639), (71, 2420495), (77, 2231885), (355, 484099), (385, 446377), (497, 345785), (781, 220045), (2485, 69157), (3905, 44009), (5467, 31435), (6287, 27335)]