71891985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{435709}}^1$

素因数の和:435728

約数の個数: 16

約数和(自身を含む): 125484480

約数和(自身を除く): 53592495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 435709, 1307127, 2178545, 4792799, 6535635, 14378397, 23963995, 71891985]

約数ペア:

[(1, 71891985), (3, 23963995), (5, 14378397), (11, 6535635), (15, 4792799), (33, 2178545), (55, 1307127), (165, 435709)]