2172489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 3235584

約数和(自身を除く): 1063095

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1531, 4593, 16841, 50523, 65833, 197499, 724163, 2172489]

約数ペア:

[(1, 2172489), (3, 724163), (11, 197499), (33, 65833), (43, 50523), (129, 16841), (473, 4593), (1419, 1531)]