71554881

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 101832192

約数和(自身を除く): 30277311

約数列:

[1, 3, 41, 43, 83, 123, 129, 163, 249, 489, 1763, 3403, 3569, 5289, 6683, 7009, 10209, 10707, 13529, 20049, 21027, 40587, 146329, 287369, 438987, 554689, 581747, 862107, 1664067, 1745241, 23851627, 71554881]

約数ペア:

[(1, 71554881), (3, 23851627), (41, 1745241), (43, 1664067), (83, 862107), (123, 581747), (129, 554689), (163, 438987), (249, 287369), (489, 146329), (1763, 40587), (3403, 21027), (3569, 20049), (5289, 13529), (6683, 10707), (7009, 10209)]