217667021

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7283}}^1$

素因数の和:7337

約数の個数: 24

約数和(自身を含む): 271256160

約数和(自身を除く): 53589139

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 1573, 2299, 2717, 7283, 29887, 80113, 94679, 138377, 881243, 1041469, 1522147, 1798901, 11456159, 16743617, 19787911, 217667021]

約数ペア:

[(1, 217667021), (11, 19787911), (13, 16743617), (19, 11456159), (121, 1798901), (143, 1522147), (209, 1041469), (247, 881243), (1573, 138377), (2299, 94679), (2717, 80113), (7283, 29887)]