27721185

素因数分解:

$3^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1399}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 44419200

約数和(自身を除く): 16698015

約数列:

[1, 3, 5, 15, 1321, 1399, 3963, 4197, 6605, 6995, 19815, 20985, 1848079, 5544237, 9240395, 27721185]

約数ペア:

[(1, 27721185), (3, 9240395), (5, 5544237), (15, 1848079), (1321, 20985), (1399, 19815), (3963, 6995), (4197, 6605)]