81231558

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{314851}}^1$

素因数の和:314899

約数の個数: 16

約数和(自身を含む): 166241856

約数和(自身を除く): 85010298

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 314851, 629702, 944553, 1889106, 13538593, 27077186, 40615779, 81231558]

約数ペア:

[(1, 81231558), (2, 40615779), (3, 27077186), (6, 13538593), (43, 1889106), (86, 944553), (129, 629702), (258, 314851)]