30989021

素因数分解:

$7^3\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 36422400

約数和(自身を除く): 5433379

約数列:

[1, 7, 49, 167, 343, 541, 1169, 3787, 8183, 26509, 57281, 90347, 185563, 632429, 4427003, 30989021]

約数ペア:

[(1, 30989021), (7, 4427003), (49, 632429), (167, 185563), (343, 90347), (541, 57281), (1169, 26509), (3787, 8183)]