28398705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44029}}^1$

素因数の和:44080

約数の個数: 16

約数和(自身を含む): 46495680

約数和(自身を除く): 18096975

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 44029, 132087, 220145, 660435, 1893247, 5679741, 9466235, 28398705]

約数ペア:

[(1, 28398705), (3, 9466235), (5, 5679741), (15, 1893247), (43, 660435), (129, 220145), (215, 132087), (645, 44029)]