205434879

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 301593600

約数和(自身を除く): 96158721

約数列:

[1, 3, 13, 39, 71, 169, 213, 439, 507, 923, 1317, 2197, 2769, 5707, 6591, 11999, 17121, 31169, 35997, 74191, 93507, 155987, 222573, 405197, 467961, 964483, 1215591, 2893449, 5267561, 15802683, 68478293, 205434879]

約数ペア:

[(1, 205434879), (3, 68478293), (13, 15802683), (39, 5267561), (71, 2893449), (169, 1215591), (213, 964483), (439, 467961), (507, 405197), (923, 222573), (1317, 155987), (2197, 93507), (2769, 74191), (5707, 35997), (6591, 31169), (11999, 17121)]