27580581

素因数分解:

$3^4\times 7^2\times {\mathrm{6949}}^1$

素因数の和:6975

約数の個数: 30

約数和(自身を含む): 47934150

約数和(自身を除く): 20353569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6949, 20847, 48643, 62541, 145929, 187623, 340501, 437787, 562869, 1021503, 1313361, 3064509, 3940083, 9193527, 27580581]

約数ペア:

[(1, 27580581), (3, 9193527), (7, 3940083), (9, 3064509), (21, 1313361), (27, 1021503), (49, 562869), (63, 437787), (81, 340501), (147, 187623), (189, 145929), (441, 62541), (567, 48643), (1323, 20847), (3969, 6949)]