28772583

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9857}}^1$

素因数の和:10006

約数の個数: 16

約数和(自身を含む): 44163840

約数和(自身を除く): 15391257

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9857, 29571, 68999, 206997, 1370123, 4110369, 9590861, 28772583]

約数ペア:

[(1, 28772583), (3, 9590861), (7, 4110369), (21, 1370123), (139, 206997), (417, 68999), (973, 29571), (2919, 9857)]