81240408

素因数分解:

$2^3\times 3^4\times {\mathrm{125371}}^1$

素因数の和:125389

約数の個数: 40

約数和(自身を含む): 227550180

約数和(自身を除く): 146309772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 125371, 250742, 376113, 501484, 752226, 1002968, 1128339, 1504452, 2256678, 3008904, 3385017, 4513356, 6770034, 9026712, 10155051, 13540068, 20310102, 27080136, 40620204, 81240408]

約数ペア:

[(1, 81240408), (2, 40620204), (3, 27080136), (4, 20310102), (6, 13540068), (8, 10155051), (9, 9026712), (12, 6770034), (18, 4513356), (24, 3385017), (27, 3008904), (36, 2256678), (54, 1504452), (72, 1128339), (81, 1002968), (108, 752226), (162, 501484), (216, 376113), (324, 250742), (648, 125371)]