17489763

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1096

約数の個数: 20

約数和(自身を含む): 26257968

約数和(自身を除く): 8768205

約数列:

[1, 3, 9, 27, 81, 263, 789, 821, 2367, 2463, 7101, 7389, 21303, 22167, 66501, 215923, 647769, 1943307, 5829921, 17489763]

約数ペア:

[(1, 17489763), (3, 5829921), (9, 1943307), (27, 647769), (81, 215923), (263, 66501), (789, 22167), (821, 21303), (2367, 7389), (2463, 7101)]