81910335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24709}}^1$

素因数の和:24747

約数の個数: 32

約数和(自身を含む): 149446080

約数和(自身を除く): 67535745

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 24709, 74127, 123545, 321217, 370635, 420053, 963651, 1260159, 1606085, 2100265, 4818255, 5460689, 6300795, 16382067, 27303445, 81910335]

約数ペア:

[(1, 81910335), (3, 27303445), (5, 16382067), (13, 6300795), (15, 5460689), (17, 4818255), (39, 2100265), (51, 1606085), (65, 1260159), (85, 963651), (195, 420053), (221, 370635), (255, 321217), (663, 123545), (1105, 74127), (3315, 24709)]