321999408

素因数分解:

$2^4\times 3^3\times {\mathrm{745369}}^1$

素因数の和:745386

約数の個数: 40

約数和(自身を含む): 924258800

約数和(自身を除く): 602259392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 745369, 1490738, 2236107, 2981476, 4472214, 5962952, 6708321, 8944428, 11925904, 13416642, 17888856, 20124963, 26833284, 35777712, 40249926, 53666568, 80499852, 107333136, 160999704, 321999408]

約数ペア:

[(1, 321999408), (2, 160999704), (3, 107333136), (4, 80499852), (6, 53666568), (8, 40249926), (9, 35777712), (12, 26833284), (16, 20124963), (18, 17888856), (24, 13416642), (27, 11925904), (36, 8944428), (48, 6708321), (54, 5962952), (72, 4472214), (108, 2981476), (144, 2236107), (216, 1490738), (432, 745369)]