2172159

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 3521232

約数和(自身を除く): 1349073

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 593, 1221, 1779, 3663, 5337, 6523, 19569, 21941, 58707, 65823, 197469, 241351, 724053, 2172159]

約数ペア:

[(1, 2172159), (3, 724053), (9, 241351), (11, 197469), (33, 65823), (37, 58707), (99, 21941), (111, 19569), (333, 6523), (407, 5337), (593, 3663), (1221, 1779)]