81015981

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 114848640

約数和(自身を除く): 33832659

約数列:

[1, 3, 19, 57, 239, 313, 361, 717, 939, 1083, 4541, 5947, 13623, 17841, 74807, 86279, 112993, 224421, 258837, 338979, 1421333, 4263999, 27005327, 81015981]

約数ペア:

[(1, 81015981), (3, 27005327), (19, 4263999), (57, 1421333), (239, 338979), (313, 258837), (361, 224421), (717, 112993), (939, 86279), (1083, 74807), (4541, 17841), (5947, 13623)]