40288521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8681}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 70011648

約数和(自身を除く): 29723127

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 8681, 26043, 60767, 112853, 147577, 182301, 338559, 442731, 789971, 1033039, 1918501, 2369913, 3099117, 5755503, 13429507, 40288521]

約数ペア:

[(1, 40288521), (3, 13429507), (7, 5755503), (13, 3099117), (17, 2369913), (21, 1918501), (39, 1033039), (51, 789971), (91, 442731), (119, 338559), (221, 182301), (273, 147577), (357, 112853), (663, 60767), (1547, 26043), (4641, 8681)]