217071963

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1418771}}^1$

素因数の和:1418794

約数の個数: 12

約数和(自身を含む): 331992648

約数和(自身を除く): 114920685

約数列:

[1, 3, 9, 17, 51, 153, 1418771, 4256313, 12768939, 24119107, 72357321, 217071963]

約数ペア:

[(1, 217071963), (3, 72357321), (9, 24119107), (17, 12768939), (51, 4256313), (153, 1418771)]