131521131

素因数分解:

$3^3\times 7^1\times {\mathrm{695879}}^1$

素因数の和:695895

約数の個数: 16

約数和(自身を含む): 222681600

約数和(自身を除く): 91160469

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 695879, 2087637, 4871153, 6262911, 14613459, 18788733, 43840377, 131521131]

約数ペア:

[(1, 131521131), (3, 43840377), (7, 18788733), (9, 14613459), (21, 6262911), (27, 4871153), (63, 2087637), (189, 695879)]