91100289

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139939}}^1$

素因数の和:139980

約数の個数: 16

約数和(自身を含む): 143298560

約数和(自身を除く): 52198271

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 139939, 419817, 979573, 2938719, 4338109, 13014327, 30366763, 91100289]

約数ペア:

[(1, 91100289), (3, 30366763), (7, 13014327), (21, 4338109), (31, 2938719), (93, 979573), (217, 419817), (651, 139939)]