81496359

素因数分解:

$3^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{653}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 137630376

約数和(自身を除く): 56134017

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 283, 441, 653, 849, 1959, 1981, 2547, 4571, 5877, 5943, 13713, 13867, 17829, 31997, 41139, 41601, 95991, 124803, 184799, 287973, 554397, 1293593, 1663191, 3880779, 9055151, 11642337, 27165453, 81496359]

約数ペア:

[(1, 81496359), (3, 27165453), (7, 11642337), (9, 9055151), (21, 3880779), (49, 1663191), (63, 1293593), (147, 554397), (283, 287973), (441, 184799), (653, 124803), (849, 95991), (1959, 41601), (1981, 41139), (2547, 31997), (4571, 17829), (5877, 13867), (5943, 13713)]