287511201

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 475837824

約数和(自身を除く): 188326623

約数列:

[1, 3, 9, 23, 27, 37, 43, 69, 81, 97, 111, 129, 207, 291, 333, 387, 621, 851, 873, 989, 999, 1161, 1591, 1863, 2231, 2553, 2619, 2967, 2997, 3483, 3589, 4171, 4773, 6693, 7659, 7857, 8901, 10767, 12513, 14319, 20079, 22977, 26703, 32301, 36593, 37539, 42957, 60237, 68931, 80109, 82547, 95933, 96903, 109779, 112617, 128871, 154327, 180711, 247641, 287799, 290709, 329337, 337851, 462981, 742923, 863397, 988011, 1388943, 2228769, 2590191, 2964033, 3549521, 4166829, 6686307, 7770573, 10648563, 12500487, 31945689, 95837067, 287511201]

約数ペア:

[(1, 287511201), (3, 95837067), (9, 31945689), (23, 12500487), (27, 10648563), (37, 7770573), (43, 6686307), (69, 4166829), (81, 3549521), (97, 2964033), (111, 2590191), (129, 2228769), (207, 1388943), (291, 988011), (333, 863397), (387, 742923), (621, 462981), (851, 337851), (873, 329337), (989, 290709), (999, 287799), (1161, 247641), (1591, 180711), (1863, 154327), (2231, 128871), (2553, 112617), (2619, 109779), (2967, 96903), (2997, 95933), (3483, 82547), (3589, 80109), (4171, 68931), (4773, 60237), (6693, 42957), (7659, 37539), (7857, 36593), (8901, 32301), (10767, 26703), (12513, 22977), (14319, 20079)]