128565171

素因数分解:

$3^3\times 7^2\times {\mathrm{97177}}^1$

素因数の和:97200

約数の個数: 24

約数和(自身を含む): 221565840

約数和(自身を除く): 93000669

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 97177, 291531, 680239, 874593, 2040717, 2623779, 4761673, 6122151, 14285019, 18366453, 42855057, 128565171]

約数ペア:

[(1, 128565171), (3, 42855057), (7, 18366453), (9, 14285019), (21, 6122151), (27, 4761673), (49, 2623779), (63, 2040717), (147, 874593), (189, 680239), (441, 291531), (1323, 97177)]