201977697

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 298978560

約数和(自身を除く): 97000863

約数列:

[1, 3, 17, 23, 51, 69, 391, 409, 421, 1173, 1227, 1263, 6953, 7157, 9407, 9683, 20859, 21471, 28221, 29049, 159919, 164611, 172189, 479757, 493833, 516567, 2927213, 3960347, 8781639, 11881041, 67325899, 201977697]

約数ペア:

[(1, 201977697), (3, 67325899), (17, 11881041), (23, 8781639), (51, 3960347), (69, 2927213), (391, 516567), (409, 493833), (421, 479757), (1173, 172189), (1227, 164611), (1263, 159919), (6953, 29049), (7157, 28221), (9407, 21471), (9683, 20859)]