81269787

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1\times {\mathrm{1213}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 113280768

約数和(自身を除く): 32010981

約数列:

[1, 3, 23, 69, 971, 1213, 2913, 3639, 22333, 27899, 66999, 83697, 1177823, 3533469, 27089929, 81269787]

約数ペア:

[(1, 81269787), (3, 27089929), (23, 3533469), (69, 1177823), (971, 83697), (1213, 66999), (2913, 27899), (3639, 22333)]