7118181

素因数分解:

$3^2\times 7^2\times {\mathrm{16141}}^1$

素因数の和:16161

約数の個数: 18

約数和(自身を含む): 11961222

約数和(自身を除く): 4843041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 16141, 48423, 112987, 145269, 338961, 790909, 1016883, 2372727, 7118181]

約数ペア:

[(1, 7118181), (3, 2372727), (7, 1016883), (9, 790909), (21, 338961), (49, 145269), (63, 112987), (147, 48423), (441, 16141)]