28897515

素因数分解:

$3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1187}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 50223888

約数和(自身を除く): 21326373

約数列:

[1, 3, 5, 9, 15, 45, 541, 1187, 1623, 2705, 3561, 4869, 5935, 8115, 10683, 17805, 24345, 53415, 642167, 1926501, 3210835, 5779503, 9632505, 28897515]

約数ペア:

[(1, 28897515), (3, 9632505), (5, 5779503), (9, 3210835), (15, 1926501), (45, 642167), (541, 53415), (1187, 24345), (1623, 17805), (2705, 10683), (3561, 8115), (4869, 5935)]