71981139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{17299}}^1$

素因数の和:17394

約数の個数: 16

約数和(自身を含む): 102416000

約数和(自身を除く): 30434861

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 17299, 51897, 328681, 986043, 1262827, 3788481, 23993713, 71981139]

約数ペア:

[(1, 71981139), (3, 23993713), (19, 3788481), (57, 1262827), (73, 986043), (219, 328681), (1387, 51897), (4161, 17299)]