726794061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1\times {\mathrm{1381}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 1167513600

約数和(自身を除く): 440719539

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1319, 1381, 3957, 4143, 9233, 9667, 25061, 26239, 27699, 29001, 75183, 78717, 175427, 183673, 526281, 551019, 1821539, 5464617, 12750773, 34609241, 38252319, 103827723, 242264687, 726794061]

約数ペア:

[(1, 726794061), (3, 242264687), (7, 103827723), (19, 38252319), (21, 34609241), (57, 12750773), (133, 5464617), (399, 1821539), (1319, 551019), (1381, 526281), (3957, 183673), (4143, 175427), (9233, 78717), (9667, 75183), (25061, 29001), (26239, 27699)]