12540645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 25179336

約数和(自身を除く): 12638691

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 97, 117, 153, 169, 195, 221, 255, 291, 485, 507, 585, 663, 765, 845, 873, 1105, 1261, 1455, 1521, 1649, 1989, 2535, 2873, 3315, 3783, 4365, 4947, 6305, 7605, 8245, 8619, 9945, 11349, 14365, 14841, 16393, 18915, 21437, 24735, 25857, 43095, 49179, 56745, 64311, 74205, 81965, 107185, 129285, 147537, 192933, 245895, 278681, 321555, 737685, 836043, 964665, 1393405, 2508129, 4180215, 12540645]

約数ペア:

[(1, 12540645), (3, 4180215), (5, 2508129), (9, 1393405), (13, 964665), (15, 836043), (17, 737685), (39, 321555), (45, 278681), (51, 245895), (65, 192933), (85, 147537), (97, 129285), (117, 107185), (153, 81965), (169, 74205), (195, 64311), (221, 56745), (255, 49179), (291, 43095), (485, 25857), (507, 24735), (585, 21437), (663, 18915), (765, 16393), (845, 14841), (873, 14365), (1105, 11349), (1261, 9945), (1455, 8619), (1521, 8245), (1649, 7605), (1989, 6305), (2535, 4947), (2873, 4365), (3315, 3783)]