81639042

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{21227}}^1$

素因数の和:21873

約数の個数: 16

約数和(自身を含む): 163540512

約数和(自身を除く): 81901470

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 21227, 42454, 63681, 127362, 13606507, 27213014, 40819521, 81639042]

約数ペア:

[(1, 81639042), (2, 40819521), (3, 27213014), (6, 13606507), (641, 127362), (1282, 63681), (1923, 42454), (3846, 21227)]