38886939

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 41753061

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 27, 39, 49, 51, 57, 63, 91, 117, 119, 133, 147, 153, 171, 189, 221, 247, 273, 323, 343, 351, 357, 399, 441, 459, 513, 637, 663, 741, 819, 833, 931, 969, 1029, 1071, 1197, 1323, 1547, 1729, 1911, 1989, 2223, 2261, 2457, 2499, 2793, 2907, 3087, 3213, 3591, 4199, 4459, 4641, 5187, 5733, 5831, 5967, 6517, 6669, 6783, 7497, 8379, 8721, 9261, 10829, 12103, 12597, 13377, 13923, 15561, 15827, 17199, 17493, 19551, 20349, 22491, 25137, 29393, 32487, 36309, 37791, 40131, 41769, 46683, 47481, 52479, 58653, 61047, 75803, 84721, 88179, 97461, 108927, 110789, 113373, 120393, 142443, 157437, 175959, 205751, 227409, 254163, 264537, 292383, 326781, 332367, 427329, 617253, 682227, 762489, 793611, 997101, 1440257, 1851759, 2046681, 2287467, 2991303, 4320771, 5555277, 12962313, 38886939]

約数ペア:

[(1, 38886939), (3, 12962313), (7, 5555277), (9, 4320771), (13, 2991303), (17, 2287467), (19, 2046681), (21, 1851759), (27, 1440257), (39, 997101), (49, 793611), (51, 762489), (57, 682227), (63, 617253), (91, 427329), (117, 332367), (119, 326781), (133, 292383), (147, 264537), (153, 254163), (171, 227409), (189, 205751), (221, 175959), (247, 157437), (273, 142443), (323, 120393), (343, 113373), (351, 110789), (357, 108927), (399, 97461), (441, 88179), (459, 84721), (513, 75803), (637, 61047), (663, 58653), (741, 52479), (819, 47481), (833, 46683), (931, 41769), (969, 40131), (1029, 37791), (1071, 36309), (1197, 32487), (1323, 29393), (1547, 25137), (1729, 22491), (1911, 20349), (1989, 19551), (2223, 17493), (2261, 17199), (2457, 15827), (2499, 15561), (2793, 13923), (2907, 13377), (3087, 12597), (3213, 12103), (3591, 10829), (4199, 9261), (4459, 8721), (4641, 8379), (5187, 7497), (5733, 6783), (5831, 6669), (5967, 6517)]