2719395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 2784285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 97, 105, 267, 291, 315, 445, 485, 623, 679, 801, 873, 1335, 1455, 1869, 2037, 3115, 3395, 4005, 4365, 5607, 6111, 8633, 9345, 10185, 25899, 28035, 30555, 43165, 60431, 77697, 129495, 181293, 302155, 388485, 543879, 906465, 2719395]

約数ペア:

[(1, 2719395), (3, 906465), (5, 543879), (7, 388485), (9, 302155), (15, 181293), (21, 129495), (35, 77697), (45, 60431), (63, 43165), (89, 30555), (97, 28035), (105, 25899), (267, 10185), (291, 9345), (315, 8633), (445, 6111), (485, 5607), (623, 4365), (679, 4005), (801, 3395), (873, 3115), (1335, 2037), (1455, 1869)]