2011554927

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163981}}^1$

素因数の和:164063

約数の個数: 24

約数和(自身を含む): 3069743040

約数和(自身を除く): 1058188113

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 12267, 163981, 491943, 1475829, 4755449, 7707107, 14266347, 23121321, 42799041, 69363963, 223506103, 670518309, 2011554927]

約数ペア:

[(1, 2011554927), (3, 670518309), (9, 223506103), (29, 69363963), (47, 42799041), (87, 23121321), (141, 14266347), (261, 7707107), (423, 4755449), (1363, 1475829), (4089, 491943), (12267, 163981)]