20151243

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13907}}^1$

素因数の和:13943

約数の個数: 24

約数和(自身を含む): 34714368

約数和(自身を除く): 14563125

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13907, 41721, 97349, 125163, 292047, 319861, 876141, 959583, 2239027, 2878749, 6717081, 20151243]

約数ペア:

[(1, 20151243), (3, 6717081), (7, 2878749), (9, 2239027), (21, 959583), (23, 876141), (63, 319861), (69, 292047), (161, 125163), (207, 97349), (483, 41721), (1449, 13907)]