56981421

素因数分解:

$3^3\times 7^1\times {\mathrm{301489}}^1$

素因数の和:301505

約数の個数: 16

約数和(自身を含む): 96476800

約数和(自身を除く): 39495379

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 301489, 904467, 2110423, 2713401, 6331269, 8140203, 18993807, 56981421]

約数ペア:

[(1, 56981421), (3, 18993807), (7, 8140203), (9, 6331269), (21, 2713401), (27, 2110423), (63, 904467), (189, 301489)]