2015251731

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 3286483200

約数和(自身を除く): 1271231469

約数列:

[1, 3, 9, 27, 29, 37, 59, 81, 87, 111, 131, 177, 243, 261, 333, 393, 531, 783, 999, 1073, 1179, 1593, 1711, 2183, 2349, 2997, 3219, 3537, 3799, 4779, 4847, 5133, 6549, 7047, 7729, 8991, 9657, 10611, 11397, 14337, 14541, 15399, 19647, 23187, 28971, 31833, 34191, 43623, 46197, 58941, 63307, 69561, 86913, 102573, 130869, 138591, 140563, 176823, 189921, 208683, 224141, 260739, 285973, 307719, 392607, 415773, 421689, 530469, 569763, 626049, 672423, 857919, 923157, 1177821, 1265067, 1709289, 1878147, 2017269, 2573757, 3795201, 5127867, 6051807, 7721271, 8293217, 11385603, 15383601, 18155421, 23163813, 24879651, 34156809, 54466263, 69491439, 74638953, 223916859, 671750577, 2015251731]

約数ペア:

[(1, 2015251731), (3, 671750577), (9, 223916859), (27, 74638953), (29, 69491439), (37, 54466263), (59, 34156809), (81, 24879651), (87, 23163813), (111, 18155421), (131, 15383601), (177, 11385603), (243, 8293217), (261, 7721271), (333, 6051807), (393, 5127867), (531, 3795201), (783, 2573757), (999, 2017269), (1073, 1878147), (1179, 1709289), (1593, 1265067), (1711, 1177821), (2183, 923157), (2349, 857919), (2997, 672423), (3219, 626049), (3537, 569763), (3799, 530469), (4779, 421689), (4847, 415773), (5133, 392607), (6549, 307719), (7047, 285973), (7729, 260739), (8991, 224141), (9657, 208683), (10611, 189921), (11397, 176823), (14337, 140563), (14541, 138591), (15399, 130869), (19647, 102573), (23187, 86913), (28971, 69561), (31833, 63307), (34191, 58941), (43623, 46197)]