38937381

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1871}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 59424768

約数和(自身を除く): 20487387

約数列:

[1, 3, 7, 21, 991, 1871, 2973, 5613, 6937, 13097, 20811, 39291, 1854161, 5562483, 12979127, 38937381]

約数ペア:

[(1, 38937381), (3, 12979127), (7, 5562483), (21, 1854161), (991, 39291), (1871, 20811), (2973, 13097), (5613, 6937)]