25830909

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 43505280

約数和(自身を除く): 17674371

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 207, 261, 299, 331, 377, 667, 897, 993, 1131, 2001, 2691, 2979, 3393, 4303, 6003, 7613, 8671, 9599, 12909, 22839, 26013, 28797, 38727, 68517, 78039, 86391, 98969, 124787, 220777, 296907, 374361, 662331, 890721, 1123083, 1986993, 2870101, 8610303, 25830909]

約数ペア:

[(1, 25830909), (3, 8610303), (9, 2870101), (13, 1986993), (23, 1123083), (29, 890721), (39, 662331), (69, 374361), (87, 296907), (117, 220777), (207, 124787), (261, 98969), (299, 86391), (331, 78039), (377, 68517), (667, 38727), (897, 28797), (993, 26013), (1131, 22839), (2001, 12909), (2691, 9599), (2979, 8671), (3393, 7613), (4303, 6003)]