4025007

素因数分解:

$3^2\times 7^2\times {\mathrm{9127}}^1$

素因数の和:9147

約数の個数: 18

約数和(自身を含む): 6763848

約数和(自身を除く): 2738841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9127, 27381, 63889, 82143, 191667, 447223, 575001, 1341669, 4025007]

約数ペア:

[(1, 4025007), (3, 1341669), (7, 575001), (9, 447223), (21, 191667), (49, 82143), (63, 63889), (147, 27381), (441, 9127)]