778829175

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5417}}^1$

素因数の和:5510

約数の個数: 60

約数和(自身を含む): 1463250096

約数和(自身を除く): 684420921

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 639, 675, 1065, 1775, 1917, 2025, 3195, 5325, 5417, 5751, 9585, 15975, 16251, 27085, 28755, 47925, 48753, 81255, 135425, 143775, 146259, 243765, 384607, 406275, 438777, 731295, 1153821, 1218825, 1923035, 2193885, 3461463, 3656475, 5769105, 9615175, 10384389, 10969425, 17307315, 28845525, 31153167, 51921945, 86536575, 155765835, 259609725, 778829175]

約数ペア:

[(1, 778829175), (3, 259609725), (5, 155765835), (9, 86536575), (15, 51921945), (25, 31153167), (27, 28845525), (45, 17307315), (71, 10969425), (75, 10384389), (81, 9615175), (135, 5769105), (213, 3656475), (225, 3461463), (355, 2193885), (405, 1923035), (639, 1218825), (675, 1153821), (1065, 731295), (1775, 438777), (1917, 406275), (2025, 384607), (3195, 243765), (5325, 146259), (5417, 143775), (5751, 135425), (9585, 81255), (15975, 48753), (16251, 47925), (27085, 28755)]