263663487

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4973}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 392627664

約数和(自身を除く): 128964177

約数列:

[1, 3, 9, 43, 129, 137, 387, 411, 1233, 4973, 5891, 14919, 17673, 44757, 53019, 213839, 641517, 681301, 1924551, 2043903, 6131709, 29295943, 87887829, 263663487]

約数ペア:

[(1, 263663487), (3, 87887829), (9, 29295943), (43, 6131709), (129, 2043903), (137, 1924551), (387, 681301), (411, 641517), (1233, 213839), (4973, 53019), (5891, 44757), (14919, 17673)]