28407705

素因数分解:

$3^1\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1531}}^1$

素因数の和:2776

約数の個数: 16

約数和(自身を含む): 45518784

約数和(自身を除く): 17111079

約数列:

[1, 3, 5, 15, 1237, 1531, 3711, 4593, 6185, 7655, 18555, 22965, 1893847, 5681541, 9469235, 28407705]

約数ペア:

[(1, 28407705), (3, 9469235), (5, 5681541), (15, 1893847), (1237, 22965), (1531, 18555), (3711, 7655), (4593, 6185)]