4991049

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 8299200

約数和(自身を除く): 3308151

約数列:

[1, 3, 7, 9, 21, 63, 227, 349, 681, 1047, 1589, 2043, 2443, 3141, 4767, 7329, 14301, 21987, 79223, 237669, 554561, 713007, 1663683, 4991049]

約数ペア:

[(1, 4991049), (3, 1663683), (7, 713007), (9, 554561), (21, 237669), (63, 79223), (227, 21987), (349, 14301), (681, 7329), (1047, 4767), (1589, 3141), (2043, 2443)]