821497671

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{10667}}^1$

素因数の和:10915

約数の個数: 24

約数和(自身を含む): 1220419200

約数和(自身を除く): 398921529

約数列:

[1, 3, 9, 43, 129, 199, 387, 597, 1791, 8557, 10667, 25671, 32001, 77013, 96003, 458681, 1376043, 2122733, 4128129, 6368199, 19104597, 91277519, 273832557, 821497671]

約数ペア:

[(1, 821497671), (3, 273832557), (9, 91277519), (43, 19104597), (129, 6368199), (199, 4128129), (387, 2122733), (597, 1376043), (1791, 458681), (8557, 96003), (10667, 77013), (25671, 32001)]