13631289

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20980

約数の個数: 16

約数和(自身を含む): 21442560

約数和(自身を除く): 7811271

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20939, 62817, 146573, 439719, 649109, 1947327, 4543763, 13631289]

約数ペア:

[(1, 13631289), (3, 4543763), (7, 1947327), (21, 649109), (31, 439719), (93, 146573), (217, 62817), (651, 20939)]