81156543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 126658560

約数和(自身を除く): 45502017

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 3533, 7657, 10599, 22971, 45929, 67127, 109523, 137787, 201381, 328569, 872651, 1423799, 2080937, 2617953, 4271397, 6242811, 27052181, 81156543]

約数ペア:

[(1, 81156543), (3, 27052181), (13, 6242811), (19, 4271397), (31, 2617953), (39, 2080937), (57, 1423799), (93, 872651), (247, 328569), (403, 201381), (589, 137787), (741, 109523), (1209, 67127), (1767, 45929), (3533, 22971), (7657, 10599)]