28720035

素因数分解:

$3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 51336000

約数和(自身を除く): 22615965

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 229, 687, 929, 1145, 2061, 2787, 3435, 4645, 6183, 8361, 10305, 13935, 25083, 30915, 41805, 125415, 212741, 638223, 1063705, 1914669, 3191115, 5744007, 9573345, 28720035]

約数ペア:

[(1, 28720035), (3, 9573345), (5, 5744007), (9, 3191115), (15, 1914669), (27, 1063705), (45, 638223), (135, 212741), (229, 125415), (687, 41805), (929, 30915), (1145, 25083), (2061, 13935), (2787, 10305), (3435, 8361), (4645, 6183)]