201712077

素因数分解:

$3^2\times 7^2\times {\mathrm{457397}}^1$

素因数の和:457417

約数の個数: 18

約数和(自身を含む): 338931918

約数和(自身を除く): 137219841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457397, 1372191, 3201779, 4116573, 9605337, 22412453, 28816011, 67237359, 201712077]

約数ペア:

[(1, 201712077), (3, 67237359), (7, 28816011), (9, 22412453), (21, 9605337), (49, 4116573), (63, 3201779), (147, 1372191), (441, 457397)]