81273381

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{9949}}^1$

素因数の和:10348

約数の個数: 16

約数和(自身を含む): 124176000

約数和(自身を除く): 42902619

約数列:

[1, 3, 7, 21, 389, 1167, 2723, 8169, 9949, 29847, 69643, 208929, 3870161, 11610483, 27091127, 81273381]

約数ペア:

[(1, 81273381), (3, 27091127), (7, 11610483), (21, 3870161), (389, 208929), (1167, 69643), (2723, 29847), (8169, 9949)]