81944037

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9929}}^1$

素因数の和:10073

約数の個数: 24

約数和(自身を含む): 136319040

約数和(自身を除く): 54375003

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 9929, 29787, 69503, 89361, 208509, 625527, 1300699, 3902097, 9104893, 11706291, 27314679, 81944037]

約数ペア:

[(1, 81944037), (3, 27314679), (7, 11706291), (9, 9104893), (21, 3902097), (63, 1300699), (131, 625527), (393, 208509), (917, 89361), (1179, 69503), (2751, 29787), (8253, 9929)]