209820129

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{6971}}^1$

素因数の和:7180

約数の個数: 16

約数和(自身を含む): 285573120

約数和(自身を除く): 75752991

約数列:

[1, 3, 79, 127, 237, 381, 6971, 10033, 20913, 30099, 550709, 885317, 1652127, 2655951, 69940043, 209820129]

約数ペア:

[(1, 209820129), (3, 69940043), (79, 2655951), (127, 1652127), (237, 885317), (381, 550709), (6971, 30099), (10033, 20913)]