201782451

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20995

約数の個数: 24

約数和(自身を含む): 306678720

約数和(自身を除く): 104896269

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 9633, 20947, 62841, 272311, 397993, 816933, 1193979, 3540043, 5173909, 10620129, 15521727, 67260817, 201782451]

約数ペア:

[(1, 201782451), (3, 67260817), (13, 15521727), (19, 10620129), (39, 5173909), (57, 3540043), (169, 1193979), (247, 816933), (507, 397993), (741, 272311), (3211, 62841), (9633, 20947)]