28731465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 57328128

約数和(自身を除く): 28596663

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 197, 315, 463, 591, 985, 1379, 1389, 1773, 2315, 2955, 3241, 4137, 4167, 6895, 6945, 8865, 9723, 12411, 16205, 20685, 20835, 29169, 48615, 62055, 91211, 145845, 273633, 456055, 638477, 820899, 1368165, 1915431, 3192385, 4104495, 5746293, 9577155, 28731465]

約数ペア:

[(1, 28731465), (3, 9577155), (5, 5746293), (7, 4104495), (9, 3192385), (15, 1915431), (21, 1368165), (35, 820899), (45, 638477), (63, 456055), (105, 273633), (197, 145845), (315, 91211), (463, 62055), (591, 48615), (985, 29169), (1379, 20835), (1389, 20685), (1773, 16205), (2315, 12411), (2955, 9723), (3241, 8865), (4137, 6945), (4167, 6895)]