1920411

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 2924480

約数和(自身を除く): 1004069

約数列:

[1, 3, 9, 37, 73, 79, 111, 219, 237, 333, 657, 711, 2701, 2923, 5767, 8103, 8769, 17301, 24309, 26307, 51903, 213379, 640137, 1920411]

約数ペア:

[(1, 1920411), (3, 640137), (9, 213379), (37, 51903), (73, 26307), (79, 24309), (111, 17301), (219, 8769), (237, 8103), (333, 5767), (657, 2923), (711, 2701)]