81333553

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{5279}}^1$

素因数の和:5388

約数の個数: 16

約数和(自身を含む): 97320960

約数和(自身を除く): 15987407

約数列:

[1, 7, 31, 71, 217, 497, 2201, 5279, 15407, 36953, 163649, 374809, 1145543, 2623663, 11619079, 81333553]

約数ペア:

[(1, 81333553), (7, 11619079), (31, 2623663), (71, 1145543), (217, 374809), (497, 163649), (2201, 36953), (5279, 15407)]