81397329

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 118302912

約数和(自身を除く): 36905583

約数列:

[1, 3, 13, 39, 169, 181, 507, 543, 887, 2353, 2661, 7059, 11531, 30589, 34593, 91767, 149903, 160547, 449709, 481641, 2087111, 6261333, 27132443, 81397329]

約数ペア:

[(1, 81397329), (3, 27132443), (13, 6261333), (39, 2087111), (169, 481641), (181, 449709), (507, 160547), (543, 149903), (887, 91767), (2353, 34593), (2661, 30589), (7059, 11531)]