27820665

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 50608008

約数和(自身を除く): 22787343

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 941, 1095, 1971, 2823, 3285, 4705, 5913, 8469, 9855, 14115, 25407, 29565, 42345, 68693, 76221, 127035, 206079, 343465, 381105, 618237, 1030395, 1854711, 3091185, 5564133, 9273555, 27820665]

約数ペア:

[(1, 27820665), (3, 9273555), (5, 5564133), (9, 3091185), (15, 1854711), (27, 1030395), (45, 618237), (73, 381105), (81, 343465), (135, 206079), (219, 127035), (365, 76221), (405, 68693), (657, 42345), (941, 29565), (1095, 25407), (1971, 14115), (2823, 9855), (3285, 8469), (4705, 5913)]