438420195

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 810425088

約数和(自身を除く): 372004893

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 107, 135, 151, 201, 321, 335, 405, 453, 535, 603, 755, 963, 1005, 1359, 1605, 1809, 2265, 2889, 3015, 4077, 4815, 5427, 6795, 7169, 8667, 9045, 10117, 12231, 14445, 16157, 20385, 21507, 27135, 30351, 35845, 43335, 48471, 50585, 61155, 64521, 80785, 91053, 107535, 145413, 151755, 193563, 242355, 273159, 322605, 436239, 455265, 580689, 727065, 819477, 967815, 1082519, 1308717, 1365795, 2181195, 2903445, 3247557, 4097385, 5412595, 6543585, 9742671, 16237785, 29228013, 48713355, 87684039, 146140065, 438420195]

約数ペア:

[(1, 438420195), (3, 146140065), (5, 87684039), (9, 48713355), (15, 29228013), (27, 16237785), (45, 9742671), (67, 6543585), (81, 5412595), (107, 4097385), (135, 3247557), (151, 2903445), (201, 2181195), (321, 1365795), (335, 1308717), (405, 1082519), (453, 967815), (535, 819477), (603, 727065), (755, 580689), (963, 455265), (1005, 436239), (1359, 322605), (1605, 273159), (1809, 242355), (2265, 193563), (2889, 151755), (3015, 145413), (4077, 107535), (4815, 91053), (5427, 80785), (6795, 64521), (7169, 61155), (8667, 50585), (9045, 48471), (10117, 43335), (12231, 35845), (14445, 30351), (16157, 27135), (20385, 21507)]