2400021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 3797976

約数和(自身を除く): 1397955

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 281, 657, 843, 949, 2529, 2847, 3653, 8541, 10959, 20513, 32877, 61539, 184617, 266669, 800007, 2400021]

約数ペア:

[(1, 2400021), (3, 800007), (9, 266669), (13, 184617), (39, 61539), (73, 32877), (117, 20513), (219, 10959), (281, 8541), (657, 3653), (843, 2847), (949, 2529)]