28415205

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 63108864

約数和(自身を除く): 34693659

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 243, 257, 273, 315, 351, 405, 455, 567, 585, 771, 819, 945, 1053, 1215, 1285, 1365, 1701, 1755, 1799, 2313, 2457, 2835, 3159, 3341, 3855, 4095, 5265, 5397, 6939, 7371, 8505, 8995, 10023, 11565, 12285, 15795, 16191, 16705, 20817, 22113, 23387, 26985, 30069, 34695, 36855, 48573, 50115, 62451, 70161, 80955, 90207, 104085, 110565, 116935, 145719, 150345, 210483, 242865, 270621, 312255, 350805, 437157, 451035, 631449, 728595, 811863, 1052415, 1353105, 1894347, 2185785, 3157245, 4059315, 5683041, 9471735, 28415205]

約数ペア:

[(1, 28415205), (3, 9471735), (5, 5683041), (7, 4059315), (9, 3157245), (13, 2185785), (15, 1894347), (21, 1353105), (27, 1052415), (35, 811863), (39, 728595), (45, 631449), (63, 451035), (65, 437157), (81, 350805), (91, 312255), (105, 270621), (117, 242865), (135, 210483), (189, 150345), (195, 145719), (243, 116935), (257, 110565), (273, 104085), (315, 90207), (351, 80955), (405, 70161), (455, 62451), (567, 50115), (585, 48573), (771, 36855), (819, 34695), (945, 30069), (1053, 26985), (1215, 23387), (1285, 22113), (1365, 20817), (1701, 16705), (1755, 16191), (1799, 15795), (2313, 12285), (2457, 11565), (2835, 10023), (3159, 8995), (3341, 8505), (3855, 7371), (4095, 6939), (5265, 5397)]