78544557

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3307}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 144493440

約数和(自身を除く): 65948883

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3307, 3393, 7917, 9921, 23149, 23751, 29763, 42991, 69447, 95903, 128973, 208341, 287709, 300937, 386919, 671321, 863127, 902811, 1246739, 2013963, 2708433, 3740217, 6041889, 8727173, 11220651, 26181519, 78544557]

約数ペア:

[(1, 78544557), (3, 26181519), (7, 11220651), (9, 8727173), (13, 6041889), (21, 3740217), (29, 2708433), (39, 2013963), (63, 1246739), (87, 902811), (91, 863127), (117, 671321), (203, 386919), (261, 300937), (273, 287709), (377, 208341), (609, 128973), (819, 95903), (1131, 69447), (1827, 42991), (2639, 29763), (3307, 23751), (3393, 23149), (7917, 9921)]