81212004

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{2083}}^1$

素因数の和:2134

約数の個数: 72

約数和(自身を含む): 222321120

約数和(自身を除く): 141109116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2083, 2166, 3249, 4166, 4332, 6249, 6498, 8332, 9747, 12498, 12996, 18747, 19494, 24996, 37494, 38988, 39577, 56241, 74988, 79154, 112482, 118731, 158308, 224964, 237462, 356193, 474924, 712386, 751963, 1068579, 1424772, 1503926, 2137158, 2255889, 3007852, 4274316, 4511778, 6767667, 9023556, 13535334, 20303001, 27070668, 40606002, 81212004]

約数ペア:

[(1, 81212004), (2, 40606002), (3, 27070668), (4, 20303001), (6, 13535334), (9, 9023556), (12, 6767667), (18, 4511778), (19, 4274316), (27, 3007852), (36, 2255889), (38, 2137158), (54, 1503926), (57, 1424772), (76, 1068579), (108, 751963), (114, 712386), (171, 474924), (228, 356193), (342, 237462), (361, 224964), (513, 158308), (684, 118731), (722, 112482), (1026, 79154), (1083, 74988), (1444, 56241), (2052, 39577), (2083, 38988), (2166, 37494), (3249, 24996), (4166, 19494), (4332, 18747), (6249, 12996), (6498, 12498), (8332, 9747)]