31317315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 53415936

約数和(自身を除く): 22098621

約数列:

[1, 3, 5, 15, 17, 51, 85, 191, 255, 573, 643, 955, 1929, 2865, 3215, 3247, 9645, 9741, 10931, 16235, 32793, 48705, 54655, 122813, 163965, 368439, 614065, 1842195, 2087821, 6263463, 10439105, 31317315]

約数ペア:

[(1, 31317315), (3, 10439105), (5, 6263463), (15, 2087821), (17, 1842195), (51, 614065), (85, 368439), (191, 163965), (255, 122813), (573, 54655), (643, 48705), (955, 32793), (1929, 16235), (2865, 10931), (3215, 9741), (3247, 9645)]