81491298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1940269}}^1$

素因数の和:1940281

約数の個数: 16

約数和(自身を含む): 186265920

約数和(自身を除く): 104774622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1940269, 3880538, 5820807, 11641614, 13581883, 27163766, 40745649, 81491298]

約数ペア:

[(1, 81491298), (2, 40745649), (3, 27163766), (6, 13581883), (7, 11641614), (14, 5820807), (21, 3880538), (42, 1940269)]