25728885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 56329728

約数和(自身を除く): 30600843

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 61, 63, 65, 91, 103, 105, 117, 183, 195, 273, 305, 309, 315, 427, 455, 515, 549, 585, 721, 793, 819, 915, 927, 1281, 1339, 1365, 1545, 2135, 2163, 2379, 2745, 3605, 3843, 3965, 4017, 4095, 4635, 5551, 6283, 6405, 6489, 6695, 7137, 9373, 10815, 11895, 12051, 16653, 18849, 19215, 20085, 27755, 28119, 31415, 32445, 35685, 43981, 46865, 49959, 56547, 60255, 81679, 83265, 84357, 94245, 131943, 140595, 219905, 245037, 249795, 282735, 395829, 408395, 421785, 571753, 659715, 735111, 1225185, 1715259, 1979145, 2858765, 3675555, 5145777, 8576295, 25728885]

約数ペア:

[(1, 25728885), (3, 8576295), (5, 5145777), (7, 3675555), (9, 2858765), (13, 1979145), (15, 1715259), (21, 1225185), (35, 735111), (39, 659715), (45, 571753), (61, 421785), (63, 408395), (65, 395829), (91, 282735), (103, 249795), (105, 245037), (117, 219905), (183, 140595), (195, 131943), (273, 94245), (305, 84357), (309, 83265), (315, 81679), (427, 60255), (455, 56547), (515, 49959), (549, 46865), (585, 43981), (721, 35685), (793, 32445), (819, 31415), (915, 28119), (927, 27755), (1281, 20085), (1339, 19215), (1365, 18849), (1545, 16653), (2135, 12051), (2163, 11895), (2379, 10815), (2745, 9373), (3605, 7137), (3843, 6695), (3965, 6489), (4017, 6405), (4095, 6283), (4635, 5551)]