28371021

素因数分解:

$3^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1879}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 43315200

約数和(自身を除く): 14944179

約数列:

[1, 3, 7, 21, 719, 1879, 2157, 5033, 5637, 13153, 15099, 39459, 1351001, 4053003, 9457007, 28371021]

約数ペア:

[(1, 28371021), (3, 9457007), (7, 4053003), (21, 1351001), (719, 39459), (1879, 15099), (2157, 13153), (5033, 5637)]