20162331

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 34490880

約数和(自身を除く): 14328549

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 997, 2247, 2889, 2991, 6741, 6979, 8973, 20223, 20937, 26919, 62811, 106679, 188433, 320037, 746753, 960111, 2240259, 2880333, 6720777, 20162331]

約数ペア:

[(1, 20162331), (3, 6720777), (7, 2880333), (9, 2240259), (21, 960111), (27, 746753), (63, 320037), (107, 188433), (189, 106679), (321, 62811), (749, 26919), (963, 20937), (997, 20223), (2247, 8973), (2889, 6979), (2991, 6741)]