39887043

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28349}}^1$

素因数の和:28426

約数の個数: 16

約数和(自身を含む): 61689600

約数和(自身を除く): 21802557

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 28349, 85047, 198443, 595329, 1899383, 5698149, 13295681, 39887043]

約数ペア:

[(1, 39887043), (3, 13295681), (7, 5698149), (21, 1899383), (67, 595329), (201, 198443), (469, 85047), (1407, 28349)]