40689255

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20707}}^1$

素因数の和:20846

約数の個数: 16

約数和(自身を含む): 65602944

約数和(自身を除く): 24913689

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 20707, 62121, 103535, 310605, 2712617, 8137851, 13563085, 40689255]

約数ペア:

[(1, 40689255), (3, 13563085), (5, 8137851), (15, 2712617), (131, 310605), (393, 103535), (655, 62121), (1965, 20707)]