28349685

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 37379979

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 35, 39, 43, 45, 49, 63, 65, 69, 91, 105, 115, 117, 129, 147, 161, 195, 207, 215, 245, 273, 299, 301, 315, 345, 387, 441, 455, 483, 559, 585, 637, 645, 735, 805, 819, 897, 903, 989, 1035, 1127, 1365, 1449, 1495, 1505, 1677, 1911, 1935, 2093, 2107, 2205, 2415, 2691, 2709, 2795, 2967, 3185, 3381, 3913, 4095, 4485, 4515, 4945, 5031, 5635, 5733, 6279, 6321, 6923, 7245, 8385, 8901, 9555, 10143, 10465, 10535, 11739, 12857, 13455, 13545, 14651, 14835, 16905, 18837, 18963, 19565, 20769, 25155, 27391, 28665, 31395, 31605, 34615, 35217, 38571, 43953, 44505, 48461, 50715, 58695, 62307, 64285, 73255, 82173, 89999, 94185, 94815, 103845, 115713, 131859, 136955, 145383, 176085, 192855, 219765, 242305, 246519, 269997, 311535, 410865, 436149, 449995, 578565, 629993, 659295, 726915, 809991, 1232595, 1349985, 1889979, 2180745, 3149965, 4049955, 5669937, 9449895, 28349685]

約数ペア:

[(1, 28349685), (3, 9449895), (5, 5669937), (7, 4049955), (9, 3149965), (13, 2180745), (15, 1889979), (21, 1349985), (23, 1232595), (35, 809991), (39, 726915), (43, 659295), (45, 629993), (49, 578565), (63, 449995), (65, 436149), (69, 410865), (91, 311535), (105, 269997), (115, 246519), (117, 242305), (129, 219765), (147, 192855), (161, 176085), (195, 145383), (207, 136955), (215, 131859), (245, 115713), (273, 103845), (299, 94815), (301, 94185), (315, 89999), (345, 82173), (387, 73255), (441, 64285), (455, 62307), (483, 58695), (559, 50715), (585, 48461), (637, 44505), (645, 43953), (735, 38571), (805, 35217), (819, 34615), (897, 31605), (903, 31395), (989, 28665), (1035, 27391), (1127, 25155), (1365, 20769), (1449, 19565), (1495, 18963), (1505, 18837), (1677, 16905), (1911, 14835), (1935, 14651), (2093, 13545), (2107, 13455), (2205, 12857), (2415, 11739), (2691, 10535), (2709, 10465), (2795, 10143), (2967, 9555), (3185, 8901), (3381, 8385), (3913, 7245), (4095, 6923), (4485, 6321), (4515, 6279), (4945, 5733), (5031, 5635)]