648843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 946176

約数和(自身を除く): 297333

約数列:

[1, 3, 13, 39, 127, 131, 381, 393, 1651, 1703, 4953, 5109, 16637, 49911, 216281, 648843]

約数ペア:

[(1, 648843), (3, 216281), (13, 49911), (39, 16637), (127, 5109), (131, 4953), (381, 1703), (393, 1651)]