390784785

素因数分解:

$3^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{21407}}^1$

素因数の和:22632

約数の個数: 16

約数和(自身を含む): 625798656

約数和(自身を除く): 235013871

約数列:

[1, 3, 5, 15, 1217, 3651, 6085, 18255, 21407, 64221, 107035, 321105, 26052319, 78156957, 130261595, 390784785]

約数ペア:

[(1, 390784785), (3, 130261595), (5, 78156957), (15, 26052319), (1217, 321105), (3651, 107035), (6085, 64221), (18255, 21407)]