25181247

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13177}}^1$

素因数の和:13207

約数の個数: 24

約数和(自身を含む): 42064176

約数和(自身を除く): 16882929

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 13177, 39531, 92239, 171301, 276717, 513903, 645673, 1199107, 1937019, 3597321, 8393749, 25181247]

約数ペア:

[(1, 25181247), (3, 8393749), (7, 3597321), (13, 1937019), (21, 1199107), (39, 645673), (49, 513903), (91, 276717), (147, 171301), (273, 92239), (637, 39531), (1911, 13177)]