81405321

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{7603}}^1$

素因数の和:7732

約数の個数: 16

約数和(自身を含む): 112417536

約数和(自身を除く): 31012215

約数列:

[1, 3, 43, 83, 129, 249, 3569, 7603, 10707, 22809, 326929, 631049, 980787, 1893147, 27135107, 81405321]

約数ペア:

[(1, 81405321), (3, 27135107), (43, 1893147), (83, 980787), (129, 631049), (249, 326929), (3569, 22809), (7603, 10707)]