487391013

素因数分解:

$3^4\times {\mathrm{2447}}^1\times {\mathrm{2459}}^1$

素因数の和:4918

約数の個数: 20

約数和(自身を含む): 728671680

約数和(自身を除く): 241280667

約数列:

[1, 3, 9, 27, 81, 2447, 2459, 7341, 7377, 22023, 22131, 66069, 66393, 198207, 199179, 6017173, 18051519, 54154557, 162463671, 487391013]

約数ペア:

[(1, 487391013), (3, 162463671), (9, 54154557), (27, 18051519), (81, 6017173), (2447, 199179), (2459, 198207), (7341, 66393), (7377, 66069), (22023, 22131)]