206007555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 373911552

約数和(自身を除く): 167903997

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 155, 159, 195, 265, 403, 465, 643, 689, 795, 1209, 1643, 1929, 2015, 2067, 3215, 3445, 4929, 6045, 8215, 8359, 9645, 10335, 19933, 21359, 24645, 25077, 34079, 41795, 59799, 64077, 99665, 102237, 106795, 125385, 170395, 259129, 298995, 320385, 443027, 511185, 777387, 1056449, 1295645, 1329081, 2215135, 3169347, 3886935, 5282245, 6645405, 13733837, 15846735, 41201511, 68669185, 206007555]

約数ペア:

[(1, 206007555), (3, 68669185), (5, 41201511), (13, 15846735), (15, 13733837), (31, 6645405), (39, 5282245), (53, 3886935), (65, 3169347), (93, 2215135), (155, 1329081), (159, 1295645), (195, 1056449), (265, 777387), (403, 511185), (465, 443027), (643, 320385), (689, 298995), (795, 259129), (1209, 170395), (1643, 125385), (1929, 106795), (2015, 102237), (2067, 99665), (3215, 64077), (3445, 59799), (4929, 41795), (6045, 34079), (8215, 25077), (8359, 24645), (9645, 21359), (10335, 19933)]