79797879

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 147755520

約数和(自身を除く): 67957641

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 63, 69, 81, 87, 161, 189, 203, 207, 211, 261, 483, 567, 609, 621, 633, 667, 783, 1449, 1477, 1827, 1863, 1899, 2001, 2349, 4347, 4431, 4669, 4853, 5481, 5697, 6003, 6119, 13041, 13293, 14007, 14559, 16443, 17091, 18009, 18357, 33971, 39879, 42021, 42833, 43677, 54027, 55071, 101913, 119637, 126063, 128499, 131031, 140737, 165213, 305739, 378189, 385497, 393093, 422211, 495639, 917217, 985159, 1156491, 1266633, 2751651, 2955477, 3469473, 3799899, 8866431, 11399697, 26599293, 79797879]

約数ペア:

[(1, 79797879), (3, 26599293), (7, 11399697), (9, 8866431), (21, 3799899), (23, 3469473), (27, 2955477), (29, 2751651), (63, 1266633), (69, 1156491), (81, 985159), (87, 917217), (161, 495639), (189, 422211), (203, 393093), (207, 385497), (211, 378189), (261, 305739), (483, 165213), (567, 140737), (609, 131031), (621, 128499), (633, 126063), (667, 119637), (783, 101913), (1449, 55071), (1477, 54027), (1827, 43677), (1863, 42833), (1899, 42021), (2001, 39879), (2349, 33971), (4347, 18357), (4431, 18009), (4669, 17091), (4853, 16443), (5481, 14559), (5697, 14007), (6003, 13293), (6119, 13041)]