27820485

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 64876032

約数和(自身を除く): 37055547

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 31, 33, 35, 37, 45, 49, 55, 63, 77, 93, 99, 105, 111, 147, 155, 165, 185, 217, 231, 245, 259, 279, 315, 333, 341, 385, 407, 441, 465, 495, 539, 555, 651, 693, 735, 777, 1023, 1085, 1147, 1155, 1221, 1295, 1395, 1519, 1617, 1665, 1705, 1813, 1953, 2035, 2205, 2331, 2387, 2695, 2849, 3069, 3255, 3441, 3465, 3663, 3885, 4557, 4851, 5115, 5439, 5735, 6105, 7161, 7595, 8029, 8085, 8547, 9065, 9765, 10323, 11655, 11935, 12617, 13671, 14245, 15345, 16317, 16709, 17205, 18315, 19943, 21483, 22785, 24087, 24255, 25641, 27195, 35805, 37851, 40145, 42735, 50127, 51615, 56203, 59829, 63085, 68355, 72261, 81585, 83545, 88319, 99715, 107415, 113553, 120435, 128205, 150381, 168609, 179487, 189255, 250635, 264957, 281015, 299145, 361305, 441595, 505827, 567765, 618233, 751905, 794871, 843045, 897435, 1324785, 1854699, 2529135, 3091165, 3974355, 5564097, 9273495, 27820485]

約数ペア:

[(1, 27820485), (3, 9273495), (5, 5564097), (7, 3974355), (9, 3091165), (11, 2529135), (15, 1854699), (21, 1324785), (31, 897435), (33, 843045), (35, 794871), (37, 751905), (45, 618233), (49, 567765), (55, 505827), (63, 441595), (77, 361305), (93, 299145), (99, 281015), (105, 264957), (111, 250635), (147, 189255), (155, 179487), (165, 168609), (185, 150381), (217, 128205), (231, 120435), (245, 113553), (259, 107415), (279, 99715), (315, 88319), (333, 83545), (341, 81585), (385, 72261), (407, 68355), (441, 63085), (465, 59829), (495, 56203), (539, 51615), (555, 50127), (651, 42735), (693, 40145), (735, 37851), (777, 35805), (1023, 27195), (1085, 25641), (1147, 24255), (1155, 24087), (1221, 22785), (1295, 21483), (1395, 19943), (1519, 18315), (1617, 17205), (1665, 16709), (1705, 16317), (1813, 15345), (1953, 14245), (2035, 13671), (2205, 12617), (2331, 11935), (2387, 11655), (2695, 10323), (2849, 9765), (3069, 9065), (3255, 8547), (3441, 8085), (3465, 8029), (3663, 7595), (3885, 7161), (4557, 6105), (4851, 5735), (5115, 5439)]