9018009

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:68

約数の個数: 81

約数和(自身を含む): 18035199

約数和(自身を除く): 9017190

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 121, 143, 147, 169, 231, 273, 363, 429, 441, 507, 539, 637, 693, 819, 847, 1001, 1089, 1183, 1287, 1521, 1573, 1617, 1859, 1911, 2541, 3003, 3549, 4719, 4851, 5577, 5733, 5929, 7007, 7623, 8281, 9009, 10647, 11011, 13013, 14157, 16731, 17787, 20449, 21021, 24843, 33033, 39039, 53361, 61347, 63063, 74529, 77077, 91091, 99099, 117117, 143143, 184041, 231231, 273273, 429429, 693693, 819819, 1002001, 1288287, 3006003, 9018009]

約数ペア:

[(1, 9018009), (3, 3006003), (7, 1288287), (9, 1002001), (11, 819819), (13, 693693), (21, 429429), (33, 273273), (39, 231231), (49, 184041), (63, 143143), (77, 117117), (91, 99099), (99, 91091), (117, 77077), (121, 74529), (143, 63063), (147, 61347), (169, 53361), (231, 39039), (273, 33033), (363, 24843), (429, 21021), (441, 20449), (507, 17787), (539, 16731), (637, 14157), (693, 13013), (819, 11011), (847, 10647), (1001, 9009), (1089, 8281), (1183, 7623), (1287, 7007), (1521, 5929), (1573, 5733), (1617, 5577), (1859, 4851), (1911, 4719), (2541, 3549)]