54978615

素因数分解:

$3^3\times 5^1\times {\mathrm{407249}}^1$

素因数の和:407263

約数の個数: 16

約数和(自身を含む): 97740000

約数和(自身を除く): 42761385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 407249, 1221747, 2036245, 3665241, 6108735, 10995723, 18326205, 54978615]

約数ペア:

[(1, 54978615), (3, 18326205), (5, 10995723), (9, 6108735), (15, 3665241), (27, 2036245), (45, 1221747), (135, 407249)]