28156965

素因数分解:

$3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3299}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 45144000

約数和(自身を除く): 16987035

約数列:

[1, 3, 5, 15, 569, 1707, 2845, 3299, 8535, 9897, 16495, 49485, 1877131, 5631393, 9385655, 28156965]

約数ペア:

[(1, 28156965), (3, 9385655), (5, 5631393), (15, 1877131), (569, 49485), (1707, 16495), (2845, 9897), (3299, 8535)]