201620254977

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{173660857}}^1$

素因数の和:173660909

約数の個数: 16

約数和(自身を含む): 305643110080

約数和(自身を除く): 104022855103

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 173660857, 520982571, 1562947713, 4688843139, 7467416851, 22402250553, 67206751659, 201620254977]

約数ペア:

[(1, 201620254977), (3, 67206751659), (9, 22402250553), (27, 7467416851), (43, 4688843139), (129, 1562947713), (387, 520982571), (1161, 173660857)]