2189777721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53881}}^1$

素因数の和:53957

約数の個数: 32

約数和(自身を含む): 3310510080

約数和(自身を除く): 1120732359

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 437, 589, 713, 1311, 1767, 2139, 13547, 40641, 53881, 161643, 1023739, 1239263, 1670311, 3071217, 3717789, 5010933, 23545997, 31735909, 38417153, 70637991, 95207727, 115251459, 729925907, 2189777721]

約数ペア:

[(1, 2189777721), (3, 729925907), (19, 115251459), (23, 95207727), (31, 70637991), (57, 38417153), (69, 31735909), (93, 23545997), (437, 5010933), (589, 3717789), (713, 3071217), (1311, 1670311), (1767, 1239263), (2139, 1023739), (13547, 161643), (40641, 53881)]