289382289

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{13037}}^1$

素因数の和:13205

約数の個数: 24

約数和(自身を含む): 451844928

約数和(自身を除く): 162462639

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 1057, 3171, 7399, 13037, 22197, 39111, 91259, 273777, 638813, 1916439, 1968587, 5905761, 13780109, 41340327, 96460763, 289382289]

約数ペア:

[(1, 289382289), (3, 96460763), (7, 41340327), (21, 13780109), (49, 5905761), (147, 1968587), (151, 1916439), (453, 638813), (1057, 273777), (3171, 91259), (7399, 39111), (13037, 22197)]