13402605

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1381}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 21492864

約数和(自身を除く): 8090259

約数列:

[1, 3, 5, 15, 647, 1381, 1941, 3235, 4143, 6905, 9705, 20715, 893507, 2680521, 4467535, 13402605]

約数ペア:

[(1, 13402605), (3, 4467535), (5, 2680521), (15, 893507), (647, 20715), (1381, 9705), (1941, 6905), (3235, 4143)]