20199312189

素因数分解:

$3^2\times 7^3\times {\mathrm{6543347}}^1$

素因数の和:6543374

約数の個数: 24

約数和(自身を含む): 34025409600

約数和(自身を除く): 13826097411

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6543347, 19630041, 45803429, 58890123, 137410287, 320624003, 412230861, 961872009, 2244368021, 2885616027, 6733104063, 20199312189]

約数ペア:

[(1, 20199312189), (3, 6733104063), (7, 2885616027), (9, 2244368021), (21, 961872009), (49, 412230861), (63, 320624003), (147, 137410287), (343, 58890123), (441, 45803429), (1029, 19630041), (3087, 6543347)]