56872209

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{3079}}^1$

素因数の和:3260

約数の個数: 16

約数和(自身を含む): 78059520

約数和(自身を除く): 21187311

約数列:

[1, 3, 47, 131, 141, 393, 3079, 6157, 9237, 18471, 144713, 403349, 434139, 1210047, 18957403, 56872209]

約数ペア:

[(1, 56872209), (3, 18957403), (47, 1210047), (131, 434139), (141, 403349), (393, 144713), (3079, 18471), (6157, 9237)]