42538041

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 81312000

約数和(自身を除く): 38773959

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 81, 87, 91, 117, 189, 199, 203, 261, 273, 351, 377, 567, 597, 609, 783, 819, 1053, 1131, 1393, 1791, 1827, 2349, 2457, 2587, 2639, 3393, 4179, 5373, 5481, 5771, 7371, 7761, 7917, 10179, 12537, 16119, 16443, 17313, 18109, 23283, 23751, 30537, 37611, 40397, 51939, 54327, 69849, 71253, 75023, 112833, 121191, 155817, 162981, 209547, 213759, 225069, 363573, 467451, 488943, 525161, 675207, 1090719, 1466829, 1575483, 2025621, 3272157, 4726449, 6076863, 14179347, 42538041]

約数ペア:

[(1, 42538041), (3, 14179347), (7, 6076863), (9, 4726449), (13, 3272157), (21, 2025621), (27, 1575483), (29, 1466829), (39, 1090719), (63, 675207), (81, 525161), (87, 488943), (91, 467451), (117, 363573), (189, 225069), (199, 213759), (203, 209547), (261, 162981), (273, 155817), (351, 121191), (377, 112833), (567, 75023), (597, 71253), (609, 69849), (783, 54327), (819, 51939), (1053, 40397), (1131, 37611), (1393, 30537), (1791, 23751), (1827, 23283), (2349, 18109), (2457, 17313), (2587, 16443), (2639, 16119), (3393, 12537), (4179, 10179), (5373, 7917), (5481, 7761), (5771, 7371)]