219838143

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2659}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 348651520

約数和(自身を除く): 128813377

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 381, 651, 889, 2659, 2667, 3937, 7977, 11811, 18613, 27559, 55839, 82429, 82677, 247287, 337693, 577003, 1013079, 1731009, 2363851, 7091553, 10468483, 31405449, 73279381, 219838143]

約数ペア:

[(1, 219838143), (3, 73279381), (7, 31405449), (21, 10468483), (31, 7091553), (93, 2363851), (127, 1731009), (217, 1013079), (381, 577003), (651, 337693), (889, 247287), (2659, 82677), (2667, 82429), (3937, 55839), (7977, 27559), (11811, 18613)]