2157789

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 3011904

約数和(自身を除く): 854115

約数列:

[1, 3, 41, 53, 123, 159, 331, 993, 2173, 6519, 13571, 17543, 40713, 52629, 719263, 2157789]

約数ペア:

[(1, 2157789), (3, 719263), (41, 52629), (53, 40713), (123, 17543), (159, 13571), (331, 6519), (993, 2173)]