28554687

素因数分解:

$3^5\times 7^1\times {\mathrm{16787}}^1$

素因数の和:16809

約数の個数: 24

約数和(自身を含む): 48886656

約数和(自身を除く): 20331969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16787, 50361, 117509, 151083, 352527, 453249, 1057581, 1359747, 3172743, 4079241, 9518229, 28554687]

約数ペア:

[(1, 28554687), (3, 9518229), (7, 4079241), (9, 3172743), (21, 1359747), (27, 1057581), (63, 453249), (81, 352527), (189, 151083), (243, 117509), (567, 50361), (1701, 16787)]