205712283

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2237}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 326568960

約数和(自身を除く): 120856677

約数列:

[1, 3, 7, 21, 29, 87, 151, 203, 453, 609, 1057, 2237, 3171, 4379, 6711, 13137, 15659, 30653, 46977, 64873, 91959, 194619, 337787, 454111, 1013361, 1362333, 2364509, 7093527, 9795823, 29387469, 68570761, 205712283]

約数ペア:

[(1, 205712283), (3, 68570761), (7, 29387469), (21, 9795823), (29, 7093527), (87, 2364509), (151, 1362333), (203, 1013361), (453, 454111), (609, 337787), (1057, 194619), (2237, 91959), (3171, 64873), (4379, 46977), (6711, 30653), (13137, 15659)]