39770919

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{16931}}^1$

素因数の和:16972

約数の個数: 20

約数和(自身を含む): 61463160

約数和(自身を除く): 21692241

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 16931, 50793, 152379, 457137, 490999, 1371411, 1472997, 4418991, 13256973, 39770919]

約数ペア:

[(1, 39770919), (3, 13256973), (9, 4418991), (27, 1472997), (29, 1371411), (81, 490999), (87, 457137), (261, 152379), (783, 50793), (2349, 16931)]