661497963

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1369561}}^1$

素因数の和:1369594

約数の個数: 16

約数和(自身を含む): 1051823616

約数和(自身を除く): 390325653

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1369561, 4108683, 9586927, 28760781, 31499903, 94499709, 220499321, 661497963]

約数ペア:

[(1, 661497963), (3, 220499321), (7, 94499709), (21, 31499903), (23, 28760781), (69, 9586927), (161, 4108683), (483, 1369561)]