13128717

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 21829632

約数和(自身を除く): 8700915

約数列:

[1, 3, 7, 21, 31, 43, 49, 67, 93, 129, 147, 201, 217, 301, 469, 651, 903, 1333, 1407, 1519, 2077, 2107, 2881, 3283, 3999, 4557, 6231, 6321, 8643, 9331, 9849, 14539, 20167, 27993, 43617, 60501, 65317, 89311, 101773, 141169, 195951, 267933, 305319, 423507, 625177, 1875531, 4376239, 13128717]

約数ペア:

[(1, 13128717), (3, 4376239), (7, 1875531), (21, 625177), (31, 423507), (43, 305319), (49, 267933), (67, 195951), (93, 141169), (129, 101773), (147, 89311), (201, 65317), (217, 60501), (301, 43617), (469, 27993), (651, 20167), (903, 14539), (1333, 9849), (1407, 9331), (1519, 8643), (2077, 6321), (2107, 6231), (2881, 4557), (3283, 3999)]