531861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 787968

約数和(自身を除く): 256107

約数列:

[1, 3, 11, 33, 71, 213, 227, 681, 781, 2343, 2497, 7491, 16117, 48351, 177287, 531861]

約数ペア:

[(1, 531861), (3, 177287), (11, 48351), (33, 16117), (71, 7491), (213, 2497), (227, 2343), (681, 781)]