64939995

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13001}}^1$

素因数の和:13052

約数の個数: 32

約数和(自身を含む): 118578240

約数和(自身を除く): 53638245

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 13001, 39003, 65005, 117009, 195015, 351027, 481037, 585045, 1443111, 1755135, 2405185, 4329333, 7215555, 12987999, 21646665, 64939995]

約数ペア:

[(1, 64939995), (3, 21646665), (5, 12987999), (9, 7215555), (15, 4329333), (27, 2405185), (37, 1755135), (45, 1443111), (111, 585045), (135, 481037), (185, 351027), (333, 195015), (555, 117009), (999, 65005), (1665, 39003), (4995, 13001)]