2009721861

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{208499}}^1$

素因数の和:208535

約数の個数: 40

約数和(自身を含む): 3632904000

約数和(自身を除く): 1623182139

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 208499, 625497, 1459493, 1876491, 3544483, 4378479, 5629473, 10633449, 13135437, 16888419, 24811381, 31900347, 39406311, 74434143, 95701041, 118218933, 223302429, 287103123, 669907287, 2009721861]

約数ペア:

[(1, 2009721861), (3, 669907287), (7, 287103123), (9, 223302429), (17, 118218933), (21, 95701041), (27, 74434143), (51, 39406311), (63, 31900347), (81, 24811381), (119, 16888419), (153, 13135437), (189, 10633449), (357, 5629473), (459, 4378479), (567, 3544483), (1071, 1876491), (1377, 1459493), (3213, 625497), (9639, 208499)]