87668541

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 138153600

約数和(自身を除く): 50485059

約数列:

[1, 3, 9, 17, 27, 51, 153, 389, 459, 491, 1167, 1473, 3501, 4419, 6613, 8347, 10503, 13257, 19839, 25041, 59517, 75123, 178551, 190999, 225369, 572997, 1718991, 3246983, 5156973, 9740949, 29222847, 87668541]

約数ペア:

[(1, 87668541), (3, 29222847), (9, 9740949), (17, 5156973), (27, 3246983), (51, 1718991), (153, 572997), (389, 225369), (459, 190999), (491, 178551), (1167, 75123), (1473, 59517), (3501, 25041), (4419, 19839), (6613, 13257), (8347, 10503)]