217800331839

素因数分解:

$3^3\times {\mathrm{809}}^1\times {\mathrm{9971173}}^1$

素因数の和:9971991

約数の個数: 16

約数和(自身を含む): 323066037600

約数和(自身を除く): 105265705761

約数列:

[1, 3, 9, 27, 809, 2427, 7281, 21843, 9971173, 29913519, 89740557, 269221671, 8066678957, 24200036871, 72600110613, 217800331839]

約数ペア:

[(1, 217800331839), (3, 72600110613), (9, 24200036871), (27, 8066678957), (809, 269221671), (2427, 89740557), (7281, 29913519), (21843, 9971173)]