280127235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{1427}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 468840960

約数和(自身を除く): 188713725

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 569, 1427, 1707, 2845, 4281, 7135, 8535, 13087, 21405, 32821, 39261, 65435, 98463, 164105, 196305, 492315, 811963, 2435889, 4059815, 12179445, 18675149, 56025447, 93375745, 280127235]

約数ペア:

[(1, 280127235), (3, 93375745), (5, 56025447), (15, 18675149), (23, 12179445), (69, 4059815), (115, 2435889), (345, 811963), (569, 492315), (1427, 196305), (1707, 164105), (2845, 98463), (4281, 65435), (7135, 39261), (8535, 32821), (13087, 21405)]