199892871

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 292275984

約数和(自身を除く): 92383113

約数列:

[1, 3, 9, 157, 241, 471, 587, 723, 1413, 1761, 2169, 5283, 37837, 92159, 113511, 141467, 276477, 340533, 424401, 829431, 1273203, 22210319, 66630957, 199892871]

約数ペア:

[(1, 199892871), (3, 66630957), (9, 22210319), (157, 1273203), (241, 829431), (471, 424401), (587, 340533), (723, 276477), (1413, 141467), (1761, 113511), (2169, 92159), (5283, 37837)]