51417207

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 79228160

約数和(自身を除く): 27810953

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 603, 661, 1161, 1809, 1983, 2881, 5949, 8643, 17847, 25929, 28423, 44287, 77787, 85269, 132861, 255807, 398583, 767421, 1195749, 1904341, 5713023, 17139069, 51417207]

約数ペア:

[(1, 51417207), (3, 17139069), (9, 5713023), (27, 1904341), (43, 1195749), (67, 767421), (129, 398583), (201, 255807), (387, 132861), (603, 85269), (661, 77787), (1161, 44287), (1809, 28423), (1983, 25929), (2881, 17847), (5949, 8643)]