618442857

素因数分解:

$3^4\times {\mathrm{1531}}^1\times {\mathrm{4987}}^1$

素因数の和:6530

約数の個数: 20

約数和(自身を含む): 924635536

約数和(自身を除く): 306192679

約数列:

[1, 3, 9, 27, 81, 1531, 4593, 4987, 13779, 14961, 41337, 44883, 124011, 134649, 403947, 7635097, 22905291, 68715873, 206147619, 618442857]

約数ペア:

[(1, 618442857), (3, 206147619), (9, 68715873), (27, 22905291), (81, 7635097), (1531, 403947), (4593, 134649), (4987, 124011), (13779, 44883), (14961, 41337)]