20164500981

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{307381}}^1$

素因数の和:307621

約数の個数: 24

約数和(自身を含む): 30065648184

約数和(自身を除く): 9901147203

約数列:

[1, 3, 9, 37, 111, 197, 333, 591, 1773, 7289, 21867, 65601, 307381, 922143, 2766429, 11373097, 34119291, 60554057, 102357873, 181662171, 544986513, 2240500109, 6721500327, 20164500981]

約数ペア:

[(1, 20164500981), (3, 6721500327), (9, 2240500109), (37, 544986513), (111, 181662171), (197, 102357873), (333, 60554057), (591, 34119291), (1773, 11373097), (7289, 2766429), (21867, 922143), (65601, 307381)]