2147355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 4515264

約数和(自身を除く): 2367909

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 401, 595, 765, 1071, 1203, 1785, 2005, 2807, 3609, 5355, 6015, 6817, 8421, 14035, 18045, 20451, 25263, 34085, 42105, 47719, 61353, 102255, 126315, 143157, 238595, 306765, 429471, 715785, 2147355]

約数ペア:

[(1, 2147355), (3, 715785), (5, 429471), (7, 306765), (9, 238595), (15, 143157), (17, 126315), (21, 102255), (35, 61353), (45, 47719), (51, 42105), (63, 34085), (85, 25263), (105, 20451), (119, 18045), (153, 14035), (255, 8421), (315, 6817), (357, 6015), (401, 5355), (595, 3609), (765, 2807), (1071, 2005), (1203, 1785)]