2721117

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 4284576

約数和(自身を除く): 1563459

約数列:

[1, 3, 7, 21, 49, 107, 147, 173, 321, 519, 749, 1211, 2247, 3633, 5243, 8477, 15729, 18511, 25431, 55533, 129577, 388731, 907039, 2721117]

約数ペア:

[(1, 2721117), (3, 907039), (7, 388731), (21, 129577), (49, 55533), (107, 25431), (147, 18511), (173, 15729), (321, 8477), (519, 5243), (749, 3633), (1211, 2247)]