72780687

素因数分解:

$3^5\times 7^1\times {\mathrm{42787}}^1$

素因数の和:42809

約数の個数: 24

約数和(自身を含む): 124598656

約数和(自身を除く): 51817969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 42787, 128361, 299509, 385083, 898527, 1155249, 2695581, 3465747, 8086743, 10397241, 24260229, 72780687]

約数ペア:

[(1, 72780687), (3, 24260229), (7, 10397241), (9, 8086743), (21, 3465747), (27, 2695581), (63, 1155249), (81, 898527), (189, 385083), (243, 299509), (567, 128361), (1701, 42787)]