28861995

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40939}}^1$

素因数の和:40994

約数の個数: 16

約数和(自身を含む): 47162880

約数和(自身を除く): 18300885

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40939, 122817, 204695, 614085, 1924133, 5772399, 9620665, 28861995]

約数ペア:

[(1, 28861995), (3, 9620665), (5, 5772399), (15, 1924133), (47, 614085), (141, 204695), (235, 122817), (705, 40939)]