28686693

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1879}}^1$

素因数の和:2616

約数の個数: 16

約数和(自身を含む): 43796480

約数和(自身を除く): 15109787

約数列:

[1, 3, 7, 21, 727, 1879, 2181, 5089, 5637, 13153, 15267, 39459, 1366033, 4098099, 9562231, 28686693]

約数ペア:

[(1, 28686693), (3, 9562231), (7, 4098099), (21, 1366033), (727, 39459), (1879, 15267), (2181, 13153), (5089, 5637)]