8380005

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 13449984

約数和(自身を除く): 5069979

約数列:

[1, 3, 5, 15, 421, 1263, 1327, 2105, 3981, 6315, 6635, 19905, 558667, 1676001, 2793335, 8380005]

約数ペア:

[(1, 8380005), (3, 2793335), (5, 1676001), (15, 558667), (421, 19905), (1263, 6635), (1327, 6315), (2105, 3981)]