202180887

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 308966400

約数和(自身を除く): 106785513

約数列:

[1, 3, 9, 27, 47, 107, 141, 321, 423, 963, 1269, 1489, 2889, 4467, 5029, 13401, 15087, 40203, 45261, 69983, 135783, 159323, 209949, 477969, 629847, 1433907, 1889541, 4301721, 7488181, 22464543, 67393629, 202180887]

約数ペア:

[(1, 202180887), (3, 67393629), (9, 22464543), (27, 7488181), (47, 4301721), (107, 1889541), (141, 1433907), (321, 629847), (423, 477969), (963, 209949), (1269, 159323), (1489, 135783), (2889, 69983), (4467, 45261), (5029, 40203), (13401, 15087)]