542052891

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 892108800

約数和(自身を除く): 350055909

約数列:

[1, 3, 9, 23, 27, 29, 69, 79, 81, 87, 127, 207, 237, 261, 381, 621, 667, 711, 783, 1143, 1817, 1863, 2001, 2133, 2291, 2349, 2921, 3429, 3683, 5451, 6003, 6399, 6873, 8763, 10033, 10287, 11049, 16353, 18009, 20619, 26289, 30099, 33147, 49059, 52693, 54027, 61857, 78867, 84709, 90297, 99441, 147177, 158079, 185571, 230759, 236601, 254127, 270891, 290957, 298323, 474237, 692277, 762381, 812673, 872871, 1422711, 2076831, 2287143, 2618613, 4268133, 6230493, 6692011, 6861429, 7855839, 18691479, 20076033, 23567517, 60228099, 180684297, 542052891]

約数ペア:

[(1, 542052891), (3, 180684297), (9, 60228099), (23, 23567517), (27, 20076033), (29, 18691479), (69, 7855839), (79, 6861429), (81, 6692011), (87, 6230493), (127, 4268133), (207, 2618613), (237, 2287143), (261, 2076831), (381, 1422711), (621, 872871), (667, 812673), (711, 762381), (783, 692277), (1143, 474237), (1817, 298323), (1863, 290957), (2001, 270891), (2133, 254127), (2291, 236601), (2349, 230759), (2921, 185571), (3429, 158079), (3683, 147177), (5451, 99441), (6003, 90297), (6399, 84709), (6873, 78867), (8763, 61857), (10033, 54027), (10287, 52693), (11049, 49059), (16353, 33147), (18009, 30099), (20619, 26289)]