131240529

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{19469}}^1$

素因数の和:19589

約数の個数: 24

約数和(自身を含む): 218687040

約数和(自身を除く): 87446511

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 19469, 58407, 136283, 175221, 408849, 1226547, 2083183, 6249549, 14582281, 18748647, 43746843, 131240529]

約数ペア:

[(1, 131240529), (3, 43746843), (7, 18748647), (9, 14582281), (21, 6249549), (63, 2083183), (107, 1226547), (321, 408849), (749, 175221), (963, 136283), (2247, 58407), (6741, 19469)]