40208541

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 57204864

約数和(自身を除く): 16996323

約数列:

[1, 3, 19, 57, 137, 271, 361, 411, 813, 1083, 2603, 5149, 7809, 15447, 37127, 49457, 97831, 111381, 148371, 293493, 705413, 2116239, 13402847, 40208541]

約数ペア:

[(1, 40208541), (3, 13402847), (19, 2116239), (57, 705413), (137, 293493), (271, 148371), (361, 111381), (411, 97831), (813, 49457), (1083, 37127), (2603, 15447), (5149, 7809)]