15661253881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1\times {\mathrm{80761}}^1$

素因数の和:82912

約数の個数: 16

約数和(自身を含む): 19284673408

約数和(自身を除く): 3623419527

約数列:

[1, 7, 13, 91, 2131, 14917, 27703, 80761, 193921, 565327, 1049893, 7349251, 172101691, 1204711837, 2237321983, 15661253881]

約数ペア:

[(1, 15661253881), (7, 2237321983), (13, 1204711837), (91, 172101691), (2131, 7349251), (14917, 1049893), (27703, 565327), (80761, 193921)]