16403769

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 8940231

約数列:

[1, 3, 9, 27, 43, 71, 129, 199, 213, 387, 597, 639, 1161, 1791, 1917, 3053, 5373, 8557, 9159, 14129, 25671, 27477, 42387, 77013, 82431, 127161, 231039, 381483, 607547, 1822641, 5467923, 16403769]

約数ペア:

[(1, 16403769), (3, 5467923), (9, 1822641), (27, 607547), (43, 381483), (71, 231039), (129, 127161), (199, 82431), (213, 77013), (387, 42387), (597, 27477), (639, 25671), (1161, 14129), (1791, 9159), (1917, 8557), (3053, 5373)]