28777105

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19121}}^1$

素因数の和:19176

約数の個数: 16

約数和(自身を含む): 40385664

約数和(自身を除く): 11608559

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 19121, 95605, 133847, 669235, 822203, 4111015, 5755421, 28777105]

約数ペア:

[(1, 28777105), (5, 5755421), (7, 4111015), (35, 822203), (43, 669235), (215, 133847), (301, 95605), (1505, 19121)]