81612324

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{21187}}^1$

素因数の和:21304

約数の個数: 36

約数和(自身を含む): 208235664

約数和(自身を除く): 126623340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 21187, 42374, 63561, 84748, 127122, 190683, 254244, 381366, 762732, 2267009, 4534018, 6801027, 9068036, 13602054, 20403081, 27204108, 40806162, 81612324]

約数ペア:

[(1, 81612324), (2, 40806162), (3, 27204108), (4, 20403081), (6, 13602054), (9, 9068036), (12, 6801027), (18, 4534018), (36, 2267009), (107, 762732), (214, 381366), (321, 254244), (428, 190683), (642, 127122), (963, 84748), (1284, 63561), (1926, 42374), (3852, 21187)]