2190195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 4605120

約数和(自身を除く): 2414925

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 409, 595, 765, 1071, 1227, 1785, 2045, 2863, 3681, 5355, 6135, 6953, 8589, 14315, 18405, 20859, 25767, 34765, 42945, 48671, 62577, 104295, 128835, 146013, 243355, 312885, 438039, 730065, 2190195]

約数ペア:

[(1, 2190195), (3, 730065), (5, 438039), (7, 312885), (9, 243355), (15, 146013), (17, 128835), (21, 104295), (35, 62577), (45, 48671), (51, 42945), (63, 34765), (85, 25767), (105, 20859), (119, 18405), (153, 14315), (255, 8589), (315, 6953), (357, 6135), (409, 5355), (595, 3681), (765, 2863), (1071, 2045), (1227, 1785)]