81995367

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 117976320

約数和(自身を除く): 35980953

約数列:

[1, 3, 37, 41, 43, 111, 123, 129, 419, 1257, 1517, 1591, 1763, 4551, 4773, 5289, 15503, 17179, 18017, 46509, 51537, 54051, 65231, 195693, 635623, 666629, 738697, 1906869, 1999887, 2216091, 27331789, 81995367]

約数ペア:

[(1, 81995367), (3, 27331789), (37, 2216091), (41, 1999887), (43, 1906869), (111, 738697), (123, 666629), (129, 635623), (419, 195693), (1257, 65231), (1517, 54051), (1591, 51537), (1763, 46509), (4551, 18017), (4773, 17179), (5289, 15503)]