251867121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1669}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 389577600

約数和(自身を除く): 137710479

約数列:

[1, 3, 11, 17, 33, 51, 187, 269, 561, 807, 1669, 2959, 4573, 5007, 8877, 13719, 18359, 28373, 50303, 55077, 85119, 150909, 312103, 448961, 936309, 1346883, 4938571, 7632337, 14815713, 22897011, 83955707, 251867121]

約数ペア:

[(1, 251867121), (3, 83955707), (11, 22897011), (17, 14815713), (33, 7632337), (51, 4938571), (187, 1346883), (269, 936309), (561, 448961), (807, 312103), (1669, 150909), (2959, 85119), (4573, 55077), (5007, 50303), (8877, 28373), (13719, 18359)]