168400521

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1\times {\mathrm{1381}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 258063624

約数和(自身を除く): 89663103

約数列:

[1, 3, 9, 17, 51, 153, 797, 1381, 2391, 4143, 7173, 12429, 13549, 23477, 40647, 70431, 121941, 211293, 1100657, 3301971, 9905913, 18711169, 56133507, 168400521]

約数ペア:

[(1, 168400521), (3, 56133507), (9, 18711169), (17, 9905913), (51, 3301971), (153, 1100657), (797, 211293), (1381, 121941), (2391, 70431), (4143, 40647), (7173, 23477), (12429, 13549)]