1279221471

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 2106432000

約数和(自身を除く): 827210529

約数列:

[1, 3, 9, 11, 27, 33, 99, 137, 149, 211, 297, 411, 447, 633, 1233, 1341, 1507, 1639, 1899, 2321, 3699, 4023, 4521, 4917, 5697, 6963, 13563, 14751, 20413, 20889, 28907, 31439, 40689, 44253, 61239, 62667, 86721, 94317, 183717, 224543, 260163, 282951, 317977, 345829, 551151, 673629, 780489, 848853, 953931, 1037487, 2020887, 2861793, 3112461, 4307143, 6062661, 8585379, 9337383, 12921429, 38764287, 47378573, 116292861, 142135719, 426407157, 1279221471]

約数ペア:

[(1, 1279221471), (3, 426407157), (9, 142135719), (11, 116292861), (27, 47378573), (33, 38764287), (99, 12921429), (137, 9337383), (149, 8585379), (211, 6062661), (297, 4307143), (411, 3112461), (447, 2861793), (633, 2020887), (1233, 1037487), (1341, 953931), (1507, 848853), (1639, 780489), (1899, 673629), (2321, 551151), (3699, 345829), (4023, 317977), (4521, 282951), (4917, 260163), (5697, 224543), (6963, 183717), (13563, 94317), (14751, 86721), (20413, 62667), (20889, 61239), (28907, 44253), (31439, 40689)]