81336285

素因数分解:

$3^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{937}}^1$

素因数の和:1594

約数の個数: 32

約数和(自身を含む): 144977280

約数和(自身を除く): 63640995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 643, 937, 1929, 2811, 3215, 4685, 5787, 8433, 9645, 14055, 17361, 25299, 28935, 42165, 86805, 126495, 602491, 1807473, 3012455, 5422419, 9037365, 16267257, 27112095, 81336285]

約数ペア:

[(1, 81336285), (3, 27112095), (5, 16267257), (9, 9037365), (15, 5422419), (27, 3012455), (45, 1807473), (135, 602491), (643, 126495), (937, 86805), (1929, 42165), (2811, 28935), (3215, 25299), (4685, 17361), (5787, 14055), (8433, 9645)]