287091054

素因数分解:

$2^1\times 3^4\times {\mathrm{1772167}}^1$

素因数の和:1772181

約数の個数: 20

約数和(自身を含む): 643296984

約数和(自身を除く): 356205930

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1772167, 3544334, 5316501, 10633002, 15949503, 31899006, 47848509, 95697018, 143545527, 287091054]

約数ペア:

[(1, 287091054), (2, 143545527), (3, 95697018), (6, 47848509), (9, 31899006), (18, 15949503), (27, 10633002), (54, 5316501), (81, 3544334), (162, 1772167)]