27909035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 42384384

約数和(自身を除く): 14475349

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1021, 2485, 3905, 5105, 5467, 7147, 11231, 27335, 35735, 56155, 72491, 78617, 362455, 393085, 507437, 797401, 2537185, 3987005, 5581807, 27909035]

約数ペア:

[(1, 27909035), (5, 5581807), (7, 3987005), (11, 2537185), (35, 797401), (55, 507437), (71, 393085), (77, 362455), (355, 78617), (385, 72491), (497, 56155), (781, 35735), (1021, 27335), (2485, 11231), (3905, 7147), (5105, 5467)]