81545947

素因数分解:

$7^2\times {\mathrm{853}}^1\times {\mathrm{1951}}^1$

素因数の和:2818

約数の個数: 12

約数和(自身を含む): 95019456

約数和(自身を除く): 13473509

約数列:

[1, 7, 49, 853, 1951, 5971, 13657, 41797, 95599, 1664203, 11649421, 81545947]

約数ペア:

[(1, 81545947), (7, 11649421), (49, 1664203), (853, 95599), (1951, 41797), (5971, 13657)]