2780715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 5170176

約数和(自身を除く): 2389461

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 373, 497, 1065, 1119, 1491, 1865, 2485, 2611, 5595, 7455, 7833, 13055, 26483, 39165, 79449, 132415, 185381, 397245, 556143, 926905, 2780715]

約数ペア:

[(1, 2780715), (3, 926905), (5, 556143), (7, 397245), (15, 185381), (21, 132415), (35, 79449), (71, 39165), (105, 26483), (213, 13055), (355, 7833), (373, 7455), (497, 5595), (1065, 2611), (1119, 2485), (1491, 1865)]