28977731721

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{1926839}}^1$

素因数の和:1927405

約数の個数: 16

約数和(自身を含む): 43007068800

約数和(自身を除く): 14029337079

約数列:

[1, 3, 9, 27, 557, 1671, 5013, 15039, 1926839, 5780517, 17341551, 52024653, 1073249323, 3219747969, 9659243907, 28977731721]

約数ペア:

[(1, 28977731721), (3, 9659243907), (9, 3219747969), (27, 1073249323), (557, 52024653), (1671, 17341551), (5013, 5780517), (15039, 1926839)]