27581015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 41886720

約数和(自身を除く): 14305705

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1009, 2485, 3905, 5045, 5467, 7063, 11099, 27335, 35315, 55495, 71639, 77693, 358195, 388465, 501473, 788029, 2507365, 3940145, 5516203, 27581015]

約数ペア:

[(1, 27581015), (5, 5516203), (7, 3940145), (11, 2507365), (35, 788029), (55, 501473), (71, 388465), (77, 358195), (355, 77693), (385, 71639), (497, 55495), (781, 35315), (1009, 27335), (2485, 11099), (3905, 7063), (5045, 5467)]