243399261

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 376050688

約数和(自身を除く): 132651427

約数列:

[1, 3, 7, 21, 163, 211, 337, 489, 633, 1011, 1141, 1477, 2359, 3423, 4431, 7077, 34393, 54931, 71107, 103179, 164793, 213321, 240751, 384517, 497749, 722253, 1153551, 1493247, 11590441, 34771323, 81133087, 243399261]

約数ペア:

[(1, 243399261), (3, 81133087), (7, 34771323), (21, 11590441), (163, 1493247), (211, 1153551), (337, 722253), (489, 497749), (633, 384517), (1011, 240751), (1141, 213321), (1477, 164793), (2359, 103179), (3423, 71107), (4431, 54931), (7077, 34393)]