28107621

素因数分解:

$3^3\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 41731200

約数和(自身を除く): 13623579

約数列:

[1, 3, 9, 27, 647, 1609, 1941, 4827, 5823, 14481, 17469, 43443, 1041023, 3123069, 9369207, 28107621]

約数ペア:

[(1, 28107621), (3, 9369207), (9, 3123069), (27, 1041023), (647, 43443), (1609, 17469), (1941, 14481), (4827, 5823)]