221569846821

素因数分解:

$3^3\times {\mathrm{4153}}^1\times {\mathrm{1975991}}^1$

素因数の和:1980153

約数の個数: 16

約数和(自身を含む): 328330830720

約数和(自身を除く): 106760983899

約数列:

[1, 3, 9, 27, 4153, 12459, 37377, 112131, 1975991, 5927973, 17783919, 53351757, 8206290623, 24618871869, 73856615607, 221569846821]

約数ペア:

[(1, 221569846821), (3, 73856615607), (9, 24618871869), (27, 8206290623), (4153, 53351757), (12459, 17783919), (37377, 5927973), (112131, 1975991)]