2147145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 4673088

約数和(自身を除く): 2525943

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 121, 143, 165, 169, 195, 231, 273, 363, 385, 429, 455, 507, 605, 715, 845, 847, 1001, 1155, 1183, 1365, 1573, 1815, 1859, 2145, 2535, 2541, 3003, 3549, 4235, 4719, 5005, 5577, 5915, 7865, 9295, 11011, 12705, 13013, 15015, 17745, 20449, 23595, 27885, 33033, 39039, 55055, 61347, 65065, 102245, 143143, 165165, 195195, 306735, 429429, 715715, 2147145]

約数ペア:

[(1, 2147145), (3, 715715), (5, 429429), (7, 306735), (11, 195195), (13, 165165), (15, 143143), (21, 102245), (33, 65065), (35, 61347), (39, 55055), (55, 39039), (65, 33033), (77, 27885), (91, 23595), (105, 20449), (121, 17745), (143, 15015), (165, 13013), (169, 12705), (195, 11011), (231, 9295), (273, 7865), (363, 5915), (385, 5577), (429, 5005), (455, 4719), (507, 4235), (605, 3549), (715, 3003), (845, 2541), (847, 2535), (1001, 2145), (1155, 1859), (1183, 1815), (1365, 1573)]