81789714

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{67819}}^1$

素因数の和:67894

約数の個数: 24

約数和(自身を含む): 179858640

約数和(自身を除く): 98068926

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 67819, 135638, 203457, 406914, 610371, 1220742, 4543873, 9087746, 13631619, 27263238, 40894857, 81789714]

約数ペア:

[(1, 81789714), (2, 40894857), (3, 27263238), (6, 13631619), (9, 9087746), (18, 4543873), (67, 1220742), (134, 610371), (201, 406914), (402, 203457), (603, 135638), (1206, 67819)]