15742755

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 32422752

約数和(自身を除く): 16679997

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 617, 729, 945, 1215, 1701, 1851, 2835, 3085, 3645, 4319, 5103, 5553, 8505, 9255, 12957, 16659, 21595, 25515, 27765, 38871, 49977, 64785, 83295, 116613, 149931, 194355, 249885, 349839, 449793, 583065, 749655, 1049517, 1749195, 2248965, 3148551, 5247585, 15742755]

約数ペア:

[(1, 15742755), (3, 5247585), (5, 3148551), (7, 2248965), (9, 1749195), (15, 1049517), (21, 749655), (27, 583065), (35, 449793), (45, 349839), (63, 249885), (81, 194355), (105, 149931), (135, 116613), (189, 83295), (243, 64785), (315, 49977), (405, 38871), (567, 27765), (617, 25515), (729, 21595), (945, 16659), (1215, 12957), (1701, 9255), (1851, 8505), (2835, 5553), (3085, 5103), (3645, 4319)]