2643543

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 1918377

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 197, 213, 497, 591, 639, 1379, 1491, 1773, 1917, 4137, 4473, 5319, 12411, 13419, 13987, 37233, 41961, 97909, 125883, 293727, 377649, 881181, 2643543]

約数ペア:

[(1, 2643543), (3, 881181), (7, 377649), (9, 293727), (21, 125883), (27, 97909), (63, 41961), (71, 37233), (189, 13987), (197, 13419), (213, 12411), (497, 5319), (591, 4473), (639, 4137), (1379, 1917), (1491, 1773)]