207820479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 90777921

約数列:

[1, 3, 23, 59, 69, 71, 177, 213, 719, 1357, 1633, 2157, 4071, 4189, 4899, 12567, 16537, 42421, 49611, 51049, 96347, 127263, 153147, 289041, 975683, 1174127, 2927049, 3011891, 3522381, 9035673, 69273493, 207820479]

約数ペア:

[(1, 207820479), (3, 69273493), (23, 9035673), (59, 3522381), (69, 3011891), (71, 2927049), (177, 1174127), (213, 975683), (719, 289041), (1357, 153147), (1633, 127263), (2157, 96347), (4071, 51049), (4189, 49611), (4899, 42421), (12567, 16537)]