72221967

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{27767}}^1$

素因数の和:27807

約数の個数: 18

約数和(自身を含む): 110822088

約数和(自身を除く): 38600121

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 27767, 83301, 249903, 472039, 1416117, 4248351, 8024663, 24073989, 72221967]

約数ペア:

[(1, 72221967), (3, 24073989), (9, 8024663), (17, 4248351), (51, 1416117), (153, 472039), (289, 249903), (867, 83301), (2601, 27767)]