16398945

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{977}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 28530216

約数和(自身を除く): 12131271

約数列:

[1, 3, 5, 9, 15, 45, 373, 977, 1119, 1865, 2931, 3357, 4885, 5595, 8793, 14655, 16785, 43965, 364421, 1093263, 1822105, 3279789, 5466315, 16398945]

約数ペア:

[(1, 16398945), (3, 5466315), (5, 3279789), (9, 1822105), (15, 1093263), (45, 364421), (373, 43965), (977, 16785), (1119, 14655), (1865, 8793), (2931, 5595), (3357, 4885)]