20147843961

素因数分解:

$3^3\times 7^2\times {\mathrm{15228907}}^1$

素因数の和:15228930

約数の個数: 24

約数和(自身を含む): 34721910240

約数和(自身を除く): 14574066279

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15228907, 45686721, 106602349, 137060163, 319807047, 411180489, 746216443, 959421141, 2238649329, 2878263423, 6715947987, 20147843961]

約数ペア:

[(1, 20147843961), (3, 6715947987), (7, 2878263423), (9, 2238649329), (21, 959421141), (27, 746216443), (49, 411180489), (63, 319807047), (147, 137060163), (189, 106602349), (441, 45686721), (1323, 15228907)]