15109983

素因数分解:

$3^8\times 7^2\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 54

約数和(自身を含む): 26924976

約数和(自身を除く): 11814993

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 141, 147, 189, 243, 329, 423, 441, 567, 729, 987, 1269, 1323, 1701, 2187, 2303, 2961, 3807, 3969, 5103, 6561, 6909, 8883, 11421, 11907, 15309, 20727, 26649, 34263, 35721, 45927, 62181, 79947, 102789, 107163, 186543, 239841, 308367, 321489, 559629, 719523, 1678887, 2158569, 5036661, 15109983]

約数ペア:

[(1, 15109983), (3, 5036661), (7, 2158569), (9, 1678887), (21, 719523), (27, 559629), (47, 321489), (49, 308367), (63, 239841), (81, 186543), (141, 107163), (147, 102789), (189, 79947), (243, 62181), (329, 45927), (423, 35721), (441, 34263), (567, 26649), (729, 20727), (987, 15309), (1269, 11907), (1323, 11421), (1701, 8883), (2187, 6909), (2303, 6561), (2961, 5103), (3807, 3969)]