2980413

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 18

約数和(自身を含む): 4435002

約数和(自身を除く): 1454589

約数列:

[1, 3, 9, 41, 123, 197, 369, 591, 1681, 1773, 5043, 8077, 15129, 24231, 72693, 331157, 993471, 2980413]

約数ペア:

[(1, 2980413), (3, 993471), (9, 331157), (41, 72693), (123, 24231), (197, 15129), (369, 8077), (591, 5043), (1681, 1773)]