213889719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{28439}}^1$

素因数の和:28574

約数の個数: 16

約数和(自身を含む): 300326400

約数和(自身を除く): 86436681

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 28439, 85317, 654097, 1962291, 3099851, 9299553, 71296573, 213889719]

約数ペア:

[(1, 213889719), (3, 71296573), (23, 9299553), (69, 3099851), (109, 1962291), (327, 654097), (2507, 85317), (7521, 28439)]