81353279

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 101122560

約数和(自身を除く): 19769281

約数列:

[1, 7, 17, 49, 119, 127, 769, 833, 889, 2159, 5383, 6223, 13073, 15113, 37681, 91511, 97663, 105791, 640577, 683641, 1660271, 4785487, 11621897, 81353279]

約数ペア:

[(1, 81353279), (7, 11621897), (17, 4785487), (49, 1660271), (119, 683641), (127, 640577), (769, 105791), (833, 97663), (889, 91511), (2159, 37681), (5383, 15113), (6223, 13073)]