1677884787

素因数分解:

$3^4\times {\mathrm{787}}^1\times {\mathrm{26321}}^1$

素因数の和:27120

約数の個数: 20

約数和(自身を含む): 2509750056

約数和(自身を除く): 831865269

約数列:

[1, 3, 9, 27, 81, 787, 2361, 7083, 21249, 26321, 63747, 78963, 236889, 710667, 2132001, 20714627, 62143881, 186431643, 559294929, 1677884787]

約数ペア:

[(1, 1677884787), (3, 559294929), (9, 186431643), (27, 62143881), (81, 20714627), (787, 2132001), (2361, 710667), (7083, 236889), (21249, 78963), (26321, 63747)]