218453439

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 309671424

約数和(自身を除く): 91217985

約数列:

[1, 3, 37, 53, 71, 111, 159, 213, 523, 1569, 1961, 2627, 3763, 5883, 7881, 11289, 19351, 27719, 37133, 58053, 83157, 111399, 139231, 417693, 1025603, 1373921, 1968049, 3076809, 4121763, 5904147, 72817813, 218453439]

約数ペア:

[(1, 218453439), (3, 72817813), (37, 5904147), (53, 4121763), (71, 3076809), (111, 1968049), (159, 1373921), (213, 1025603), (523, 417693), (1569, 139231), (1961, 111399), (2627, 83157), (3763, 58053), (5883, 37133), (7881, 27719), (11289, 19351)]