2019908961

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{248543}}^1$

素因数の和:248602

約数の個数: 32

約数和(自身を含む): 3499499520

約数和(自身を除く): 1479590559

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 248543, 745629, 1739801, 2236887, 5219403, 6710661, 10687349, 15658209, 32062047, 46974627, 74811443, 96186141, 224434329, 288558423, 673302987, 2019908961]

約数ペア:

[(1, 2019908961), (3, 673302987), (7, 288558423), (9, 224434329), (21, 96186141), (27, 74811443), (43, 46974627), (63, 32062047), (129, 15658209), (189, 10687349), (301, 6710661), (387, 5219403), (903, 2236887), (1161, 1739801), (2709, 745629), (8127, 248543)]