1990887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 2845440

約数和(自身を除く): 854553

約数列:

[1, 3, 17, 51, 103, 309, 379, 1137, 1751, 5253, 6443, 19329, 39037, 117111, 663629, 1990887]

約数ペア:

[(1, 1990887), (3, 663629), (17, 117111), (51, 39037), (103, 19329), (309, 6443), (379, 5253), (1137, 1751)]