31109481

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 49969920

約数和(自身を除く): 18860439

約数列:

[1, 3, 9, 13, 27, 39, 117, 263, 337, 351, 789, 1011, 2367, 3033, 3419, 4381, 7101, 9099, 10257, 13143, 30771, 39429, 88631, 92313, 118287, 265893, 797679, 1152203, 2393037, 3456609, 10369827, 31109481]

約数ペア:

[(1, 31109481), (3, 10369827), (9, 3456609), (13, 2393037), (27, 1152203), (39, 797679), (117, 265893), (263, 118287), (337, 92313), (351, 88631), (789, 39429), (1011, 30771), (2367, 13143), (3033, 10257), (3419, 9099), (4381, 7101)]