289777977

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{3727}}^1$

素因数の和:3949

約数の個数: 24

約数和(自身を含む): 429197184

約数和(自身を除く): 139419207

約数列:

[1, 3, 9, 53, 159, 163, 477, 489, 1467, 3727, 8639, 11181, 25917, 33543, 77751, 197531, 592593, 607501, 1777779, 1822503, 5467509, 32197553, 96592659, 289777977]

約数ペア:

[(1, 289777977), (3, 96592659), (9, 32197553), (53, 5467509), (159, 1822503), (163, 1777779), (477, 607501), (489, 592593), (1467, 197531), (3727, 77751), (8639, 33543), (11181, 25917)]