215683509

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{6947}}^1$

素因数の和:7160

約数の個数: 16

約数和(自身を含む): 293483520

約数和(自身を除く): 77800011

約数列:

[1, 3, 79, 131, 237, 393, 6947, 10349, 20841, 31047, 548813, 910057, 1646439, 2730171, 71894503, 215683509]

約数ペア:

[(1, 215683509), (3, 71894503), (79, 2730171), (131, 1646439), (237, 910057), (393, 548813), (6947, 31047), (10349, 20841)]