28162239

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25303}}^1$

素因数の和:25366

約数の個数: 16

約数和(自身を含む): 43725312

約数和(自身を除く): 15563073

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25303, 75909, 177121, 531363, 1341059, 4023177, 9387413, 28162239]

約数ペア:

[(1, 28162239), (3, 9387413), (7, 4023177), (21, 1341059), (53, 531363), (159, 177121), (371, 75909), (1113, 25303)]