210905109

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{54371}}^1$

素因数の和:54808

約数の個数: 12

約数和(自身を含む): 305353152

約数和(自身を除く): 94448043

約数列:

[1, 3, 9, 431, 1293, 3879, 54371, 163113, 489339, 23433901, 70301703, 210905109]

約数ペア:

[(1, 210905109), (3, 70301703), (9, 23433901), (431, 489339), (1293, 163113), (3879, 54371)]