81130131

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 129392640

約数和(自身を除く): 48262509

約数列:

[1, 3, 9, 23, 31, 47, 69, 93, 141, 207, 269, 279, 423, 713, 807, 1081, 1457, 2139, 2421, 3243, 4371, 6187, 6417, 8339, 9729, 12643, 13113, 18561, 25017, 33511, 37929, 55683, 75051, 100533, 113787, 191797, 290789, 301599, 391933, 575391, 872367, 1175799, 1726173, 2617101, 3527397, 9014459, 27043377, 81130131]

約数ペア:

[(1, 81130131), (3, 27043377), (9, 9014459), (23, 3527397), (31, 2617101), (47, 1726173), (69, 1175799), (93, 872367), (141, 575391), (207, 391933), (269, 301599), (279, 290789), (423, 191797), (713, 113787), (807, 100533), (1081, 75051), (1457, 55683), (2139, 37929), (2421, 33511), (3243, 25017), (4371, 18561), (6187, 13113), (6417, 12643), (8339, 9729)]