219432879

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 335070216

約数和(自身を除く): 115637337

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 547, 841, 1537, 1641, 2523, 4611, 4923, 7569, 13833, 15863, 28991, 44573, 47589, 86973, 133719, 142767, 260919, 401157, 460027, 840739, 1380081, 2522217, 4140243, 7566651, 24381431, 73144293, 219432879]

約数ペア:

[(1, 219432879), (3, 73144293), (9, 24381431), (29, 7566651), (53, 4140243), (87, 2522217), (159, 1380081), (261, 840739), (477, 460027), (547, 401157), (841, 260919), (1537, 142767), (1641, 133719), (2523, 86973), (4611, 47589), (4923, 44573), (7569, 28991), (13833, 15863)]