81306786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17351}}^1$

素因数の和:17438

約数の個数: 32

約数和(自身を含む): 179905536

約数和(自身を除く): 98598750

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 17351, 34702, 52053, 104106, 190861, 381722, 572583, 1145166, 1231921, 2463842, 3695763, 7391526, 13551131, 27102262, 40653393, 81306786]

約数ペア:

[(1, 81306786), (2, 40653393), (3, 27102262), (6, 13551131), (11, 7391526), (22, 3695763), (33, 2463842), (66, 1231921), (71, 1145166), (142, 572583), (213, 381722), (426, 190861), (781, 104106), (1562, 52053), (2343, 34702), (4686, 17351)]