2185785

素因数分解:

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

素因数の和:284

約数の個数: 48

約数和(自身を含む): 4507776

約数和(自身を除く): 2321991

約数列:

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

約数ペア:

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