217896441

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1621}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 343189248

約数和(自身を除く): 125292807

約数列:

[1, 3, 7, 21, 37, 111, 173, 259, 519, 777, 1211, 1621, 3633, 4863, 6401, 11347, 19203, 34041, 44807, 59977, 134421, 179931, 280433, 419839, 841299, 1259517, 1963031, 5889093, 10376021, 31128063, 72632147, 217896441]

約数ペア:

[(1, 217896441), (3, 72632147), (7, 31128063), (21, 10376021), (37, 5889093), (111, 1963031), (173, 1259517), (259, 841299), (519, 419839), (777, 280433), (1211, 179931), (1621, 134421), (3633, 59977), (4863, 44807), (6401, 34041), (11347, 19203)]