20172975777

素因数分解:

$3^3\times {\mathrm{397}}^1\times {\mathrm{1881983}}^1$

素因数の和:1882389

約数の個数: 16

約数和(自身を含む): 29961185280

約数和(自身を除く): 9788209503

約数列:

[1, 3, 9, 27, 397, 1191, 3573, 10719, 1881983, 5645949, 16937847, 50813541, 747147251, 2241441753, 6724325259, 20172975777]

約数ペア:

[(1, 20172975777), (3, 6724325259), (9, 2241441753), (27, 747147251), (397, 50813541), (1191, 16937847), (3573, 5645949), (10719, 1881983)]