128512461

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556331}}^1$

素因数の和:556352

約数の個数: 16

約数和(自身を含む): 213631488

約数和(自身を除く): 85119027

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556331, 1668993, 3894317, 6119641, 11682951, 18358923, 42837487, 128512461]

約数ペア:

[(1, 128512461), (3, 42837487), (7, 18358923), (11, 11682951), (21, 6119641), (33, 3894317), (77, 1668993), (231, 556331)]