29977857

素因数分解:

$3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 56918400

約数和(自身を除く): 26940543

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 83, 91, 117, 147, 189, 249, 273, 343, 351, 441, 567, 581, 637, 747, 819, 1029, 1053, 1079, 1323, 1743, 1911, 2241, 2457, 3087, 3237, 3969, 4067, 4459, 5229, 5733, 6723, 7371, 7553, 9261, 9711, 12201, 13377, 15687, 17199, 22659, 27783, 28469, 29133, 36603, 40131, 47061, 51597, 52871, 67977, 85407, 87399, 109809, 120393, 158613, 203931, 256221, 329427, 361179, 370097, 475839, 611793, 768663, 1110291, 1427517, 2305989, 3330873, 4282551, 9992619, 29977857]

約数ペア:

[(1, 29977857), (3, 9992619), (7, 4282551), (9, 3330873), (13, 2305989), (21, 1427517), (27, 1110291), (39, 768663), (49, 611793), (63, 475839), (81, 370097), (83, 361179), (91, 329427), (117, 256221), (147, 203931), (189, 158613), (249, 120393), (273, 109809), (343, 87399), (351, 85407), (441, 67977), (567, 52871), (581, 51597), (637, 47061), (747, 40131), (819, 36603), (1029, 29133), (1053, 28469), (1079, 27783), (1323, 22659), (1743, 17199), (1911, 15687), (2241, 13377), (2457, 12201), (3087, 9711), (3237, 9261), (3969, 7553), (4067, 7371), (4459, 6723), (5229, 5733)]