6557355

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:287

約数の個数: 56

約数和(自身を含む): 13535712

約数和(自身を除く): 6978357

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 257, 315, 405, 567, 729, 771, 945, 1215, 1285, 1701, 1799, 2313, 2835, 3645, 3855, 5103, 5397, 6939, 8505, 8995, 11565, 16191, 20817, 25515, 26985, 34695, 48573, 62451, 80955, 104085, 145719, 187353, 242865, 312255, 437157, 728595, 936765, 1311471, 2185785, 6557355]

約数ペア:

[(1, 6557355), (3, 2185785), (5, 1311471), (7, 936765), (9, 728595), (15, 437157), (21, 312255), (27, 242865), (35, 187353), (45, 145719), (63, 104085), (81, 80955), (105, 62451), (135, 48573), (189, 34695), (243, 26985), (257, 25515), (315, 20817), (405, 16191), (567, 11565), (729, 8995), (771, 8505), (945, 6939), (1215, 5397), (1285, 5103), (1701, 3855), (1799, 3645), (2313, 2835)]