1253691

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 1891200

約数和(自身を除く): 637509

約数列:

[1, 3, 9, 27, 59, 177, 531, 787, 1593, 2361, 7083, 21249, 46433, 139299, 417897, 1253691]

約数ペア:

[(1, 1253691), (3, 417897), (9, 139299), (27, 46433), (59, 21249), (177, 7083), (531, 2361), (787, 1593)]