28329399

素因数分解:

$3^3\times 7^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 53779200

約数和(自身を除く): 25449801

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 49, 57, 63, 69, 133, 147, 161, 171, 189, 207, 343, 399, 437, 441, 483, 513, 621, 931, 1029, 1127, 1197, 1311, 1323, 1449, 2401, 2793, 3059, 3087, 3381, 3591, 3933, 4347, 6517, 7203, 7889, 8379, 9177, 9261, 10143, 11799, 19551, 21413, 21609, 23667, 25137, 27531, 30429, 45619, 55223, 58653, 64239, 64827, 71001, 82593, 136857, 149891, 165669, 175959, 192717, 213003, 410571, 449673, 497007, 578151, 1049237, 1231713, 1349019, 1491021, 3147711, 4047057, 9443133, 28329399]

約数ペア:

[(1, 28329399), (3, 9443133), (7, 4047057), (9, 3147711), (19, 1491021), (21, 1349019), (23, 1231713), (27, 1049237), (49, 578151), (57, 497007), (63, 449673), (69, 410571), (133, 213003), (147, 192717), (161, 175959), (171, 165669), (189, 149891), (207, 136857), (343, 82593), (399, 71001), (437, 64827), (441, 64239), (483, 58653), (513, 55223), (621, 45619), (931, 30429), (1029, 27531), (1127, 25137), (1197, 23667), (1311, 21609), (1323, 21413), (1449, 19551), (2401, 11799), (2793, 10143), (3059, 9261), (3087, 9177), (3381, 8379), (3591, 7889), (3933, 7203), (4347, 6517)]