7291557

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 13453440

約数和(自身を除く): 6161883

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 307, 377, 609, 819, 921, 1131, 1827, 2149, 2639, 2763, 3393, 3991, 6447, 7917, 8903, 11973, 19341, 23751, 26709, 27937, 35919, 62321, 80127, 83811, 115739, 186963, 251433, 347217, 560889, 810173, 1041651, 2430519, 7291557]

約数ペア:

[(1, 7291557), (3, 2430519), (7, 1041651), (9, 810173), (13, 560889), (21, 347217), (29, 251433), (39, 186963), (63, 115739), (87, 83811), (91, 80127), (117, 62321), (203, 35919), (261, 27937), (273, 26709), (307, 23751), (377, 19341), (609, 11973), (819, 8903), (921, 7917), (1131, 6447), (1827, 3991), (2149, 3393), (2639, 2763)]