248697729

素因数分解:

$3^3\times 7^1\times {\mathrm{1315861}}^1$

素因数の和:1315877

約数の個数: 16

約数和(自身を含む): 421075840

約数和(自身を除く): 172378111

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1315861, 3947583, 9211027, 11842749, 27633081, 35528247, 82899243, 248697729]

約数ペア:

[(1, 248697729), (3, 82899243), (7, 35528247), (9, 27633081), (21, 11842749), (27, 9211027), (63, 3947583), (189, 1315861)]