217412871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{11447}}^1$

素因数の和:11950

約数の個数: 16

約数和(自身を含む): 312850944

約数和(自身を除く): 95438073

約数列:

[1, 3, 13, 39, 487, 1461, 6331, 11447, 18993, 34341, 148811, 446433, 5574689, 16724067, 72470957, 217412871]

約数ペア:

[(1, 217412871), (3, 72470957), (13, 16724067), (39, 5574689), (487, 446433), (1461, 148811), (6331, 34341), (11447, 18993)]