1288287

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:61

約数の個数: 54

約数和(自身を含む): 2531256

約数和(自身を除く): 1242969

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 169, 231, 273, 363, 429, 507, 693, 819, 847, 1001, 1089, 1183, 1287, 1521, 1573, 1859, 2541, 3003, 3549, 4719, 5577, 7623, 9009, 10647, 11011, 13013, 14157, 16731, 20449, 33033, 39039, 61347, 99099, 117117, 143143, 184041, 429429, 1288287]

約数ペア:

[(1, 1288287), (3, 429429), (7, 184041), (9, 143143), (11, 117117), (13, 99099), (21, 61347), (33, 39039), (39, 33033), (63, 20449), (77, 16731), (91, 14157), (99, 13013), (117, 11011), (121, 10647), (143, 9009), (169, 7623), (231, 5577), (273, 4719), (363, 3549), (429, 3003), (507, 2541), (693, 1859), (819, 1573), (847, 1521), (1001, 1287), (1089, 1183)]