280870413

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 406581120

約数和(自身を除く): 125710707

約数列:

[1, 3, 17, 51, 61, 137, 183, 411, 659, 1037, 1977, 2329, 3111, 6987, 8357, 11203, 25071, 33609, 40199, 90283, 120597, 142069, 270849, 426207, 683383, 1534811, 2050149, 4604433, 5507263, 16521789, 93623471, 280870413]

約数ペア:

[(1, 280870413), (3, 93623471), (17, 16521789), (51, 5507263), (61, 4604433), (137, 2050149), (183, 1534811), (411, 683383), (659, 426207), (1037, 270849), (1977, 142069), (2329, 120597), (3111, 90283), (6987, 40199), (8357, 33609), (11203, 25071)]