197620209

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{318229}}^1$

素因数の和:318261

約数の個数: 16

約数和(自身を含む): 305500800

約数和(自身を除く): 107880591

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 318229, 954687, 2864061, 7319267, 8592183, 21957801, 65873403, 197620209]

約数ペア:

[(1, 197620209), (3, 65873403), (9, 21957801), (23, 8592183), (27, 7319267), (69, 2864061), (207, 954687), (621, 318229)]