28177065

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{3313}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 57902208

約数和(自身を除く): 29725143

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 3313, 8505, 9939, 16565, 23191, 29817, 49695, 69573, 89451, 115955, 149085, 208719, 268353, 347865, 447255, 626157, 805059, 1043595, 1341765, 1878471, 3130785, 4025295, 5635413, 9392355, 28177065]

約数ペア:

[(1, 28177065), (3, 9392355), (5, 5635413), (7, 4025295), (9, 3130785), (15, 1878471), (21, 1341765), (27, 1043595), (35, 805059), (45, 626157), (63, 447255), (81, 347865), (105, 268353), (135, 208719), (189, 149085), (243, 115955), (315, 89451), (405, 69573), (567, 49695), (945, 29817), (1215, 23191), (1701, 16565), (2835, 9939), (3313, 8505)]