15142421

素因数分解:

$7^3\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:489

約数の個数: 16

約数和(自身を含む): 17846400

約数和(自身を除く): 2703979

約数列:

[1, 7, 49, 131, 337, 343, 917, 2359, 6419, 16513, 44147, 44933, 115591, 309029, 2163203, 15142421]

約数ペア:

[(1, 15142421), (7, 2163203), (49, 309029), (131, 115591), (337, 44933), (343, 44147), (917, 16513), (2359, 6419)]