28490133

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7103}}^1$

素因数の和:7304

約数の個数: 16

約数和(自身を含む): 43646976

約数和(自身を除く): 15156843

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 7103, 21309, 49721, 149163, 1356673, 4070019, 9496711, 28490133]

約数ペア:

[(1, 28490133), (3, 9496711), (7, 4070019), (21, 1356673), (191, 149163), (573, 49721), (1337, 21309), (4011, 7103)]