31820286879

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{2137}}^1\times {\mathrm{4583}}^1$

素因数の和:6764

約数の個数: 36

約数和(自身を含む): 48542332176

約数和(自身を除く): 16722045297

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 2137, 3249, 4583, 6411, 13749, 19233, 40603, 41247, 87077, 121809, 261231, 365427, 771457, 783693, 1654463, 2314371, 4963389, 6943113, 9793871, 14890167, 29381613, 88144839, 186083549, 558250647, 1674751941, 3535587431, 10606762293, 31820286879]

約数ペア:

[(1, 31820286879), (3, 10606762293), (9, 3535587431), (19, 1674751941), (57, 558250647), (171, 186083549), (361, 88144839), (1083, 29381613), (2137, 14890167), (3249, 9793871), (4583, 6943113), (6411, 4963389), (13749, 2314371), (19233, 1654463), (40603, 783693), (41247, 771457), (87077, 365427), (121809, 261231)]