16805505

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21139}}^1$

素因数の和:21200

約数の個数: 16

約数和(自身を含む): 27397440

約数和(自身を除く): 10591935

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 21139, 63417, 105695, 317085, 1120367, 3361101, 5601835, 16805505]

約数ペア:

[(1, 16805505), (3, 5601835), (5, 3361101), (15, 1120367), (53, 317085), (159, 105695), (265, 63417), (795, 21139)]