2790291

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 1771629

約数列:

[1, 3, 7, 21, 23, 53, 69, 109, 159, 161, 327, 371, 483, 763, 1113, 1219, 2289, 2507, 3657, 5777, 7521, 8533, 17331, 17549, 25599, 40439, 52647, 121317, 132871, 398613, 930097, 2790291]

約数ペア:

[(1, 2790291), (3, 930097), (7, 398613), (21, 132871), (23, 121317), (53, 52647), (69, 40439), (109, 25599), (159, 17549), (161, 17331), (327, 8533), (371, 7521), (483, 5777), (763, 3657), (1113, 2507), (1219, 2289)]