27287785

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 11419415

約数列:

[1, 5, 7, 35, 71, 79, 139, 355, 395, 497, 553, 695, 973, 2485, 2765, 4865, 5609, 9869, 10981, 28045, 39263, 49345, 54905, 69083, 76867, 196315, 345415, 384335, 779651, 3898255, 5457557, 27287785]

約数ペア:

[(1, 27287785), (5, 5457557), (7, 3898255), (35, 779651), (71, 384335), (79, 345415), (139, 196315), (355, 76867), (395, 69083), (497, 54905), (553, 49345), (695, 39263), (973, 28045), (2485, 10981), (2765, 9869), (4865, 5609)]