1254221721

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{4903}}^1$

素因数の和:5613

約数の個数: 24

約数和(自身を含む): 1856968256

約数和(自身を除く): 602746535

約数列:

[1, 3, 9, 43, 129, 387, 661, 1983, 4903, 5949, 14709, 28423, 44127, 85269, 210829, 255807, 632487, 1897461, 3240883, 9722649, 29167947, 139357969, 418073907, 1254221721]

約数ペア:

[(1, 1254221721), (3, 418073907), (9, 139357969), (43, 29167947), (129, 9722649), (387, 3240883), (661, 1897461), (1983, 632487), (4903, 255807), (5949, 210829), (14709, 85269), (28423, 44127)]