1805814

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 40

約数和(自身を含む): 4129488

約数和(自身を除く): 2323674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 157, 162, 213, 314, 426, 471, 639, 942, 1278, 1413, 1917, 2826, 3834, 4239, 5751, 8478, 11147, 11502, 12717, 22294, 25434, 33441, 66882, 100323, 200646, 300969, 601938, 902907, 1805814]

約数ペア:

[(1, 1805814), (2, 902907), (3, 601938), (6, 300969), (9, 200646), (18, 100323), (27, 66882), (54, 33441), (71, 25434), (81, 22294), (142, 12717), (157, 11502), (162, 11147), (213, 8478), (314, 5751), (426, 4239), (471, 3834), (639, 2826), (942, 1917), (1278, 1413)]