128720895

素因数分解:

$3^1\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{4567}}^1$

素因数の和:6454

約数の個数: 16

約数和(自身を含む): 206108160

約数和(自身を除く): 77387265

約数列:

[1, 3, 5, 15, 1879, 4567, 5637, 9395, 13701, 22835, 28185, 68505, 8581393, 25744179, 42906965, 128720895]

約数ペア:

[(1, 128720895), (3, 42906965), (5, 25744179), (15, 8581393), (1879, 68505), (4567, 28185), (5637, 22835), (9395, 13701)]