205657959

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 318753792

約数和(自身を除く): 113095833

約数列:

[1, 3, 13, 17, 39, 51, 107, 169, 221, 223, 321, 507, 663, 669, 1391, 1819, 2873, 2899, 3791, 4173, 5457, 8619, 8697, 11373, 18083, 23647, 23861, 37687, 49283, 54249, 70941, 71583, 113061, 147849, 307411, 310193, 405637, 640679, 922233, 930579, 1216911, 1922037, 4032509, 5273281, 12097527, 15819843, 68552653, 205657959]

約数ペア:

[(1, 205657959), (3, 68552653), (13, 15819843), (17, 12097527), (39, 5273281), (51, 4032509), (107, 1922037), (169, 1216911), (221, 930579), (223, 922233), (321, 640679), (507, 405637), (663, 310193), (669, 307411), (1391, 147849), (1819, 113061), (2873, 71583), (2899, 70941), (3791, 54249), (4173, 49283), (5457, 37687), (8619, 23861), (8697, 23647), (11373, 18083)]