17980521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1753}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 25931136

約数和(自身を除く): 7950615

約数列:

[1, 3, 13, 39, 263, 789, 1753, 3419, 5259, 10257, 22789, 68367, 461039, 1383117, 5993507, 17980521]

約数ペア:

[(1, 17980521), (3, 5993507), (13, 1383117), (39, 461039), (263, 68367), (789, 22789), (1753, 10257), (3419, 5259)]