17219139

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 27368208

約数和(自身を除く): 10149069

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 2857, 6027, 8571, 19999, 59997, 117137, 139993, 351411, 419979, 819959, 2459877, 5739713, 17219139]

約数ペア:

[(1, 17219139), (3, 5739713), (7, 2459877), (21, 819959), (41, 419979), (49, 351411), (123, 139993), (147, 117137), (287, 59997), (861, 19999), (2009, 8571), (2857, 6027)]