16621979139

素因数分解:

$3^4\times {\mathrm{1567}}^1\times {\mathrm{130957}}^1$

素因数の和:132536

約数の個数: 20

約数和(自身を含む): 24846399424

約数和(自身を除く): 8224420285

約数列:

[1, 3, 9, 27, 81, 1567, 4701, 14103, 42309, 126927, 130957, 392871, 1178613, 3535839, 10607517, 205209619, 615628857, 1846886571, 5540659713, 16621979139]

約数ペア:

[(1, 16621979139), (3, 5540659713), (9, 1846886571), (27, 615628857), (81, 205209619), (1567, 10607517), (4701, 3535839), (14103, 1178613), (42309, 392871), (126927, 130957)]