201963321

素因数分解:

$3^3\times 7^1\times {\mathrm{1068589}}^1$

素因数の和:1068605

約数の個数: 16

約数和(自身を含む): 341948800

約数和(自身を除く): 139985479

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1068589, 3205767, 7480123, 9617301, 22440369, 28851903, 67321107, 201963321]

約数ペア:

[(1, 201963321), (3, 67321107), (7, 28851903), (9, 22440369), (21, 9617301), (27, 7480123), (63, 3205767), (189, 1068589)]