28266921

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{6269}}^1$

素因数の和:6445

約数の個数: 16

約数和(自身を含む): 42134400

約数和(自身を除く): 13867479

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 6269, 18807, 56421, 169263, 1046923, 3140769, 9422307, 28266921]

約数ペア:

[(1, 28266921), (3, 9422307), (9, 3140769), (27, 1046923), (167, 169263), (501, 56421), (1503, 18807), (4509, 6269)]