16405965

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1889}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 28599480

約数和(自身を除く): 12193515

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 1889, 2895, 5667, 8685, 9445, 17001, 28335, 85005, 364577, 1093731, 1822885, 3281193, 5468655, 16405965]

約数ペア:

[(1, 16405965), (3, 5468655), (5, 3281193), (9, 1822885), (15, 1093731), (45, 364577), (193, 85005), (579, 28335), (965, 17001), (1737, 9445), (1889, 8685), (2895, 5667)]