28608531

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20333}}^1$

素因数の和:20410

約数の個数: 16

約数和(自身を含む): 44246784

約数和(自身を除く): 15638253

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20333, 60999, 142331, 426993, 1362311, 4086933, 9536177, 28608531]

約数ペア:

[(1, 28608531), (3, 9536177), (7, 4086933), (21, 1362311), (67, 426993), (201, 142331), (469, 60999), (1407, 20333)]