81354371

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2437}}^1$

素因数の和:2714

約数の個数: 16

約数和(自身を含む): 98300160

約数和(自身を除く): 16945789

約数列:

[1, 7, 19, 133, 251, 1757, 2437, 4769, 17059, 33383, 46303, 324121, 611687, 4281809, 11622053, 81354371]

約数ペア:

[(1, 81354371), (7, 11622053), (19, 4281809), (133, 611687), (251, 324121), (1757, 46303), (2437, 33383), (4769, 17059)]