2811813

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 3902976

約数和(自身を除く): 1091163

約数列:

[1, 3, 43, 71, 129, 213, 307, 921, 3053, 9159, 13201, 21797, 39603, 65391, 937271, 2811813]

約数ペア:

[(1, 2811813), (3, 937271), (43, 65391), (71, 39603), (129, 21797), (213, 13201), (307, 9159), (921, 3053)]