42547815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 80455680

約数和(自身を除く): 37907865

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 71, 115, 135, 193, 207, 213, 345, 355, 579, 621, 639, 965, 1035, 1065, 1633, 1737, 1917, 2895, 3105, 3195, 4439, 4899, 5211, 8165, 8685, 9585, 13317, 13703, 14697, 22195, 24495, 26055, 39951, 41109, 44091, 66585, 68515, 73485, 119853, 123327, 199755, 205545, 220455, 315169, 369981, 599265, 616635, 945507, 1575845, 1849905, 2836521, 4727535, 8509563, 14182605, 42547815]

約数ペア:

[(1, 42547815), (3, 14182605), (5, 8509563), (9, 4727535), (15, 2836521), (23, 1849905), (27, 1575845), (45, 945507), (69, 616635), (71, 599265), (115, 369981), (135, 315169), (193, 220455), (207, 205545), (213, 199755), (345, 123327), (355, 119853), (579, 73485), (621, 68515), (639, 66585), (965, 44091), (1035, 41109), (1065, 39951), (1633, 26055), (1737, 24495), (1917, 22195), (2895, 14697), (3105, 13703), (3195, 13317), (4439, 9585), (4899, 8685), (5211, 8165)]