39960291

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26801}}^1$

素因数の和:26882

約数の個数: 16

約数和(自身を含む): 61751808

約数和(自身を除く): 21791517

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 26801, 80403, 187607, 562821, 1902871, 5708613, 13320097, 39960291]

約数ペア:

[(1, 39960291), (3, 13320097), (7, 5708613), (21, 1902871), (71, 562821), (213, 187607), (497, 80403), (1491, 26801)]