165728563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9787

約数の個数: 32

約数和(自身を含む): 235630080

約数和(自身を除く): 69901517

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 9739, 17017, 68173, 107129, 126607, 165563, 749903, 886249, 1158941, 1392677, 1821193, 2152319, 9748739, 12748351, 15066233, 23675509, 165728563]

約数ペア:

[(1, 165728563), (7, 23675509), (11, 15066233), (13, 12748351), (17, 9748739), (77, 2152319), (91, 1821193), (119, 1392677), (143, 1158941), (187, 886249), (221, 749903), (1001, 165563), (1309, 126607), (1547, 107129), (2431, 68173), (9739, 17017)]