38081547

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 70638048

約数和(自身を除く): 32556501

約数列:

[1, 3, 7, 9, 17, 21, 31, 37, 51, 63, 93, 111, 119, 153, 217, 259, 279, 333, 357, 527, 629, 651, 777, 961, 1071, 1147, 1581, 1887, 1953, 2331, 2883, 3441, 3689, 4403, 4743, 5661, 6727, 8029, 8649, 10323, 11067, 13209, 16337, 19499, 20181, 24087, 33201, 35557, 39627, 49011, 58497, 60543, 72261, 106671, 114359, 136493, 147033, 175491, 248899, 320013, 343077, 409479, 604469, 746697, 1029231, 1228437, 1813407, 2240091, 4231283, 5440221, 12693849, 38081547]

約数ペア:

[(1, 38081547), (3, 12693849), (7, 5440221), (9, 4231283), (17, 2240091), (21, 1813407), (31, 1228437), (37, 1029231), (51, 746697), (63, 604469), (93, 409479), (111, 343077), (119, 320013), (153, 248899), (217, 175491), (259, 147033), (279, 136493), (333, 114359), (357, 106671), (527, 72261), (629, 60543), (651, 58497), (777, 49011), (961, 39627), (1071, 35557), (1147, 33201), (1581, 24087), (1887, 20181), (1953, 19499), (2331, 16337), (2883, 13209), (3441, 11067), (3689, 10323), (4403, 8649), (4743, 8029), (5661, 6727)]