39913245

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20627}}^1$

素因数の和:20681

約数の個数: 24

約数和(自身を含む): 70795296

約数和(自身を除く): 30882051

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20627, 61881, 103135, 185643, 309405, 886961, 928215, 2660883, 4434805, 7982649, 13304415, 39913245]

約数ペア:

[(1, 39913245), (3, 13304415), (5, 7982649), (9, 4434805), (15, 2660883), (43, 928215), (45, 886961), (129, 309405), (215, 185643), (387, 103135), (645, 61881), (1935, 20627)]