78459927

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41057}}^1$

素因数の和:41087

約数の個数: 24

約数和(自身を含む): 131057136

約数和(自身を除く): 52597209

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 41057, 123171, 287399, 533741, 862197, 1601223, 2011793, 3736187, 6035379, 11208561, 26153309, 78459927]

約数ペア:

[(1, 78459927), (3, 26153309), (7, 11208561), (13, 6035379), (21, 3736187), (39, 2011793), (49, 1601223), (91, 862197), (147, 533741), (273, 287399), (637, 123171), (1911, 41057)]