81777735

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2741}}^1$

素因数の和:2785

約数の個数: 64

約数和(自身を含む): 165836160

約数和(自身を除く): 84058425

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 1105, 1755, 1989, 2295, 2741, 3315, 5967, 8223, 9945, 13705, 24669, 29835, 35633, 41115, 46597, 74007, 106899, 123345, 139791, 178165, 232985, 320697, 370035, 419373, 534495, 605761, 698955, 962091, 1258119, 1603485, 1817283, 2096865, 3028805, 4810455, 5451849, 6290595, 9086415, 16355547, 27259245, 81777735]

約数ペア:

[(1, 81777735), (3, 27259245), (5, 16355547), (9, 9086415), (13, 6290595), (15, 5451849), (17, 4810455), (27, 3028805), (39, 2096865), (45, 1817283), (51, 1603485), (65, 1258119), (85, 962091), (117, 698955), (135, 605761), (153, 534495), (195, 419373), (221, 370035), (255, 320697), (351, 232985), (459, 178165), (585, 139791), (663, 123345), (765, 106899), (1105, 74007), (1755, 46597), (1989, 41115), (2295, 35633), (2741, 29835), (3315, 24669), (5967, 13705), (8223, 9945)]