81287549

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5591}}^1$

素因数の和:5696

約数の個数: 16

約数和(自身を含む): 97345536

約数和(自身を除く): 16057987

約数列:

[1, 7, 31, 67, 217, 469, 2077, 5591, 14539, 39137, 173321, 374597, 1213247, 2622179, 11612507, 81287549]

約数ペア:

[(1, 81287549), (7, 11612507), (31, 2622179), (67, 1213247), (217, 374597), (469, 173321), (2077, 39137), (5591, 14539)]