9930291

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 15770304

約数和(自身を除く): 5840013

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 1571, 2107, 4713, 6321, 10997, 32991, 67553, 76979, 202659, 230937, 472871, 1418613, 3310097, 9930291]

約数ペア:

[(1, 9930291), (3, 3310097), (7, 1418613), (21, 472871), (43, 230937), (49, 202659), (129, 76979), (147, 67553), (301, 32991), (903, 10997), (1571, 6321), (2107, 4713)]