31027143

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 48722688

約数和(自身を除く): 17695545

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 2543, 4067, 7629, 12201, 17801, 53403, 124607, 211069, 373821, 633207, 1477483, 4432449, 10342381, 31027143]

約数ペア:

[(1, 31027143), (3, 10342381), (7, 4432449), (21, 1477483), (49, 633207), (83, 373821), (147, 211069), (249, 124607), (581, 53403), (1743, 17801), (2543, 12201), (4067, 7629)]