31172103

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 47618480

約数和(自身を除く): 16446377

約数列:

[1, 3, 9, 19, 57, 171, 421, 433, 1263, 1299, 3789, 3897, 7999, 8227, 23997, 24681, 71991, 74043, 182293, 546879, 1640637, 3463567, 10390701, 31172103]

約数ペア:

[(1, 31172103), (3, 10390701), (9, 3463567), (19, 1640637), (57, 546879), (171, 182293), (421, 74043), (433, 71991), (1263, 24681), (1299, 23997), (3789, 8227), (3897, 7999)]