12109405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 18413568

約数和(自身を除く): 6304163

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 443, 497, 781, 2215, 2485, 3101, 3905, 4873, 5467, 15505, 24365, 27335, 31453, 34111, 157265, 170555, 220171, 345983, 1100855, 1729915, 2421881, 12109405]

約数ペア:

[(1, 12109405), (5, 2421881), (7, 1729915), (11, 1100855), (35, 345983), (55, 220171), (71, 170555), (77, 157265), (355, 34111), (385, 31453), (443, 27335), (497, 24365), (781, 15505), (2215, 5467), (2485, 4873), (3101, 3905)]