81141085

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 104308776

約数和(自身を除く): 23167691

約数列:

[1, 5, 17, 85, 233, 241, 289, 1165, 1205, 1445, 3961, 4097, 19805, 20485, 56153, 67337, 69649, 280765, 336685, 348245, 954601, 4773005, 16228217, 81141085]

約数ペア:

[(1, 81141085), (5, 16228217), (17, 4773005), (85, 954601), (233, 348245), (241, 336685), (289, 280765), (1165, 69649), (1205, 67337), (1445, 56153), (3961, 20485), (4097, 19805)]