28674243

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 48004320

約数和(自身を除く): 19330077

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 313, 351, 377, 783, 939, 1053, 1131, 2349, 2817, 3159, 3393, 4069, 7047, 8451, 9077, 10179, 12207, 25353, 27231, 30537, 36621, 76059, 81693, 91611, 109863, 118001, 245079, 329589, 354003, 735237, 988767, 1062009, 2205711, 3186027, 9558081, 28674243]

約数ペア:

[(1, 28674243), (3, 9558081), (9, 3186027), (13, 2205711), (27, 1062009), (29, 988767), (39, 735237), (81, 354003), (87, 329589), (117, 245079), (243, 118001), (261, 109863), (313, 91611), (351, 81693), (377, 76059), (783, 36621), (939, 30537), (1053, 27231), (1131, 25353), (2349, 12207), (2817, 10179), (3159, 9077), (3393, 8451), (4069, 7047)]