28161345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43661}}^1$

素因数の和:43712

約数の個数: 16

約数和(自身を含む): 46107072

約数和(自身を除く): 17945727

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43661, 130983, 218305, 654915, 1877423, 5632269, 9387115, 28161345]

約数ペア:

[(1, 28161345), (3, 9387115), (5, 5632269), (15, 1877423), (43, 654915), (129, 218305), (215, 130983), (645, 43661)]