31645245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 53972352

約数和(自身を除く): 22327107

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 579, 643, 965, 1929, 2895, 3215, 3281, 9645, 9843, 10931, 16405, 32793, 49215, 54655, 124099, 163965, 372297, 620495, 1861485, 2109683, 6329049, 10548415, 31645245]

約数ペア:

[(1, 31645245), (3, 10548415), (5, 6329049), (15, 2109683), (17, 1861485), (51, 620495), (85, 372297), (193, 163965), (255, 124099), (579, 54655), (643, 49215), (965, 32793), (1929, 16405), (2895, 10931), (3215, 9843), (3281, 9645)]