28980645

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47123}}^1$

素因数の和:47172

約数の個数: 16

約数和(自身を含む): 47500992

約数和(自身を除く): 18520347

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 47123, 141369, 235615, 706845, 1932043, 5796129, 9660215, 28980645]

約数ペア:

[(1, 28980645), (3, 9660215), (5, 5796129), (15, 1932043), (41, 706845), (123, 235615), (205, 141369), (615, 47123)]