201294891

素因数分解:

$3^2\times 7^2\times {\mathrm{456451}}^1$

素因数の和:456471

約数の個数: 18

約数和(自身を含む): 338230932

約数和(自身を除く): 136936041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456451, 1369353, 3195157, 4108059, 9585471, 22366099, 28756413, 67098297, 201294891]

約数ペア:

[(1, 201294891), (3, 67098297), (7, 28756413), (9, 22366099), (21, 9585471), (49, 4108059), (63, 3195157), (147, 1369353), (441, 456451)]