37981521

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{19813}}^1$

素因数の和:19893

約数の個数: 16

約数和(自身を含む): 57064320

約数和(自身を除く): 19082799

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 19813, 59439, 178317, 534951, 1406723, 4220169, 12660507, 37981521]

約数ペア:

[(1, 37981521), (3, 12660507), (9, 4220169), (27, 1406723), (71, 534951), (213, 178317), (639, 59439), (1917, 19813)]