73641555

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 144897984

約数和(自身を除く): 71256429

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 81, 117, 135, 195, 197, 213, 351, 355, 405, 585, 591, 639, 923, 985, 1053, 1065, 1755, 1773, 1917, 2561, 2769, 2955, 3195, 4615, 5265, 5319, 5751, 7683, 8307, 8865, 9585, 12805, 13845, 13987, 15957, 23049, 24921, 26595, 28755, 38415, 41535, 41961, 69147, 69935, 74763, 79785, 115245, 124605, 125883, 181831, 207441, 209805, 345735, 373815, 377649, 545493, 629415, 909155, 1037205, 1132947, 1636479, 1888245, 2727465, 4909437, 5664735, 8182395, 14728311, 24547185, 73641555]

約数ペア:

[(1, 73641555), (3, 24547185), (5, 14728311), (9, 8182395), (13, 5664735), (15, 4909437), (27, 2727465), (39, 1888245), (45, 1636479), (65, 1132947), (71, 1037205), (81, 909155), (117, 629415), (135, 545493), (195, 377649), (197, 373815), (213, 345735), (351, 209805), (355, 207441), (405, 181831), (585, 125883), (591, 124605), (639, 115245), (923, 79785), (985, 74763), (1053, 69935), (1065, 69147), (1755, 41961), (1773, 41535), (1917, 38415), (2561, 28755), (2769, 26595), (2955, 24921), (3195, 23049), (4615, 15957), (5265, 13987), (5319, 13845), (5751, 12805), (7683, 9585), (8307, 8865)]