201257861

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 246302784

約数和(自身を除く): 45044923

約数列:

[1, 7, 19, 73, 133, 361, 511, 1091, 1387, 2527, 7637, 9709, 20729, 26353, 79643, 145103, 184471, 393851, 557501, 1513217, 2756957, 10592519, 28751123, 201257861]

約数ペア:

[(1, 201257861), (7, 28751123), (19, 10592519), (73, 2756957), (133, 1513217), (361, 557501), (511, 393851), (1091, 184471), (1387, 145103), (2527, 79643), (7637, 26353), (9709, 20729)]