2015990019

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{945143}}^1$

素因数の和:945231

約数の個数: 16

約数和(自身を含む): 3024460800

約数和(自身を除く): 1008470781

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 945143, 2835429, 8506287, 25518861, 74666297, 223998891, 671996673, 2015990019]

約数ペア:

[(1, 2015990019), (3, 671996673), (9, 223998891), (27, 74666297), (79, 25518861), (237, 8506287), (711, 2835429), (2133, 945143)]