2638005

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 4281984

約数和(自身を除く): 1643979

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 2477, 7431, 12385, 37155, 175867, 527601, 879335, 2638005]

約数ペア:

[(1, 2638005), (3, 879335), (5, 527601), (15, 175867), (71, 37155), (213, 12385), (355, 7431), (1065, 2477)]