28089615

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18541}}^1$

素因数の和:18650

約数の個数: 16

約数和(自身を含む): 45390816

約数和(自身を除く): 17301201

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 18541, 55623, 92705, 278115, 1872641, 5617923, 9363205, 28089615]

約数ペア:

[(1, 28089615), (3, 9363205), (5, 5617923), (15, 1872641), (101, 278115), (303, 92705), (505, 55623), (1515, 18541)]