28515561

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21751}}^1$

素因数の和:21796

約数の個数: 16

約数和(自身を含む): 41763840

約数和(自身を除く): 13248279

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21751, 65253, 413269, 500273, 1239807, 1500819, 9505187, 28515561]

約数ペア:

[(1, 28515561), (3, 9505187), (19, 1500819), (23, 1239807), (57, 500273), (69, 413269), (437, 65253), (1311, 21751)]