83398749

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{28571}}^1$

素因数の和:28720

約数の個数: 16

約数和(自身を含む): 128002560

約数和(自身を除く): 44603811

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 28571, 85713, 199997, 599991, 3971369, 11914107, 27799583, 83398749]

約数ペア:

[(1, 83398749), (3, 27799583), (7, 11914107), (21, 3971369), (139, 599991), (417, 199997), (973, 85713), (2919, 28571)]