31427919

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2306

約数の個数: 28

約数和(自身を含む): 49622200

約数和(自身を除く): 18194281

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2269, 4617, 6807, 13851, 20421, 43111, 61263, 129333, 183789, 387999, 551367, 1163997, 1654101, 3491991, 10475973, 31427919]

約数ペア:

[(1, 31427919), (3, 10475973), (9, 3491991), (19, 1654101), (27, 1163997), (57, 551367), (81, 387999), (171, 183789), (243, 129333), (513, 61263), (729, 43111), (1539, 20421), (2269, 13851), (4617, 6807)]