78873183

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 127554336

約数和(自身を除く): 48681153

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 243, 313, 459, 549, 939, 1037, 1377, 1647, 2817, 3111, 4131, 4941, 5321, 8451, 9333, 14823, 15963, 19093, 25353, 27999, 47889, 57279, 76059, 83997, 143667, 171837, 251991, 324581, 431001, 515511, 973743, 1293003, 1546533, 2921229, 4639599, 8763687, 26291061, 78873183]

約数ペア:

[(1, 78873183), (3, 26291061), (9, 8763687), (17, 4639599), (27, 2921229), (51, 1546533), (61, 1293003), (81, 973743), (153, 515511), (183, 431001), (243, 324581), (313, 251991), (459, 171837), (549, 143667), (939, 83997), (1037, 76059), (1377, 57279), (1647, 47889), (2817, 27999), (3111, 25353), (4131, 19093), (4941, 15963), (5321, 14823), (8451, 9333)]