15385221

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11173}}^1$

素因数の和:11202

約数の個数: 20

約数和(自身を含む): 24336972

約数和(自身を除く): 8951751

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11173, 33519, 100557, 189941, 301671, 569823, 905013, 1709469, 5128407, 15385221]

約数ペア:

[(1, 15385221), (3, 5128407), (9, 1709469), (17, 905013), (27, 569823), (51, 301671), (81, 189941), (153, 100557), (459, 33519), (1377, 11173)]