209430621

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 307607040

約数和(自身を除く): 98176419

約数列:

[1, 3, 9, 103, 157, 309, 471, 927, 1413, 1439, 4317, 12951, 16171, 48513, 145539, 148217, 225923, 444651, 677769, 1333953, 2033307, 23270069, 69810207, 209430621]

約数ペア:

[(1, 209430621), (3, 69810207), (9, 23270069), (103, 2033307), (157, 1333953), (309, 677769), (471, 444651), (927, 225923), (1413, 148217), (1439, 145539), (4317, 48513), (12951, 16171)]