85987293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{215507}}^1$

素因数の和:215536

約数の個数: 16

約数和(自身を含む): 137925120

約数和(自身を除く): 51937827

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 215507, 646521, 1508549, 4094633, 4525647, 12283899, 28662431, 85987293]

約数ペア:

[(1, 85987293), (3, 28662431), (7, 12283899), (19, 4525647), (21, 4094633), (57, 1508549), (133, 646521), (399, 215507)]