81649539

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{1747}}^1$

素因数の和:2336

約数の個数: 20

約数和(自身を含む): 122251624

約数和(自身を除く): 40602085

約数列:

[1, 3, 9, 27, 81, 577, 1731, 1747, 5193, 5241, 15579, 15723, 46737, 47169, 141507, 1008019, 3024057, 9072171, 27216513, 81649539]

約数ペア:

[(1, 81649539), (3, 27216513), (9, 9072171), (27, 3024057), (81, 1008019), (577, 141507), (1731, 47169), (1747, 46737), (5193, 15723), (5241, 15579)]