1279142739

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{937}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 2247598080

約数和(自身を除く): 968455341

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 233, 279, 651, 699, 837, 937, 1631, 1953, 2097, 2811, 4893, 5859, 6291, 6559, 7223, 8433, 14679, 19677, 21669, 25299, 29047, 44037, 50561, 59031, 65007, 87141, 151683, 177093, 195021, 203329, 218321, 261423, 455049, 609987, 654963, 784269, 1365147, 1528247, 1829961, 1964889, 4584741, 5489883, 5894667, 6767951, 13754223, 20303853, 41262669, 47375657, 60911559, 142126971, 182734677, 426380913, 1279142739]

約数ペア:

[(1, 1279142739), (3, 426380913), (7, 182734677), (9, 142126971), (21, 60911559), (27, 47375657), (31, 41262669), (63, 20303853), (93, 13754223), (189, 6767951), (217, 5894667), (233, 5489883), (279, 4584741), (651, 1964889), (699, 1829961), (837, 1528247), (937, 1365147), (1631, 784269), (1953, 654963), (2097, 609987), (2811, 455049), (4893, 261423), (5859, 218321), (6291, 203329), (6559, 195021), (7223, 177093), (8433, 151683), (14679, 87141), (19677, 65007), (21669, 59031), (25299, 50561), (29047, 44037)]