556881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 813120

約数和(自身を除く): 256239

約数列:

[1, 3, 13, 39, 109, 131, 327, 393, 1417, 1703, 4251, 5109, 14279, 42837, 185627, 556881]

約数ペア:

[(1, 556881), (3, 185627), (13, 42837), (39, 14279), (109, 5109), (131, 4251), (327, 1703), (393, 1417)]