1245227985

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 2516282496

約数和(自身を除く): 1271054511

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 167, 171, 243, 255, 285, 323, 361, 405, 459, 501, 513, 765, 835, 855, 969, 1083, 1215, 1377, 1503, 1539, 1615, 1805, 2295, 2505, 2565, 2839, 2907, 3173, 3249, 4131, 4509, 4617, 4845, 5415, 6137, 6885, 7515, 7695, 8517, 8721, 9519, 9747, 13527, 14195, 14535, 15865, 16245, 18411, 20655, 22545, 23085, 25551, 26163, 28557, 29241, 30685, 40581, 42585, 43605, 47595, 48735, 53941, 55233, 60287, 67635, 76653, 78489, 85671, 87723, 92055, 127755, 130815, 142785, 146205, 161823, 165699, 180861, 202905, 229959, 257013, 269705, 276165, 301435, 383265, 392445, 428355, 438615, 485469, 497097, 542583, 689877, 771039, 809115, 828495, 904305, 1024879, 1149795, 1285065, 1456407, 1491291, 1627749, 2427345, 2485485, 2712915, 3074637, 3449385, 3855195, 4369221, 4883247, 5124395, 7282035, 7456455, 8138745, 9223911, 13107663, 14649741, 15373185, 21846105, 24416235, 27671733, 46119555, 65538315, 73248705, 83015199, 138358665, 249045597, 415075995, 1245227985]

約数ペア:

[(1, 1245227985), (3, 415075995), (5, 249045597), (9, 138358665), (15, 83015199), (17, 73248705), (19, 65538315), (27, 46119555), (45, 27671733), (51, 24416235), (57, 21846105), (81, 15373185), (85, 14649741), (95, 13107663), (135, 9223911), (153, 8138745), (167, 7456455), (171, 7282035), (243, 5124395), (255, 4883247), (285, 4369221), (323, 3855195), (361, 3449385), (405, 3074637), (459, 2712915), (501, 2485485), (513, 2427345), (765, 1627749), (835, 1491291), (855, 1456407), (969, 1285065), (1083, 1149795), (1215, 1024879), (1377, 904305), (1503, 828495), (1539, 809115), (1615, 771039), (1805, 689877), (2295, 542583), (2505, 497097), (2565, 485469), (2839, 438615), (2907, 428355), (3173, 392445), (3249, 383265), (4131, 301435), (4509, 276165), (4617, 269705), (4845, 257013), (5415, 229959), (6137, 202905), (6885, 180861), (7515, 165699), (7695, 161823), (8517, 146205), (8721, 142785), (9519, 130815), (9747, 127755), (13527, 92055), (14195, 87723), (14535, 85671), (15865, 78489), (16245, 76653), (18411, 67635), (20655, 60287), (22545, 55233), (23085, 53941), (25551, 48735), (26163, 47595), (28557, 43605), (29241, 42585), (30685, 40581)]