81155649

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 109494720

約数和(自身を除く): 28339071

約数列:

[1, 3, 137, 379, 411, 521, 1137, 1563, 51923, 71377, 155769, 197459, 214131, 592377, 27051883, 81155649]

約数ペア:

[(1, 81155649), (3, 27051883), (137, 592377), (379, 214131), (411, 197459), (521, 155769), (1137, 71377), (1563, 51923)]