38551779

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 70424640

約数和(自身を除く): 31872861

約数列:

[1, 3, 7, 9, 19, 21, 43, 49, 57, 63, 107, 129, 133, 147, 171, 301, 321, 387, 399, 441, 749, 817, 903, 931, 963, 1197, 2033, 2107, 2247, 2451, 2709, 2793, 4601, 5243, 5719, 6099, 6321, 6741, 7353, 8379, 13803, 14231, 15729, 17157, 18297, 18963, 32207, 40033, 41409, 42693, 47187, 51471, 87419, 96621, 99617, 120099, 128079, 225449, 262257, 289863, 298851, 360297, 611933, 676347, 786771, 896553, 1835799, 2029041, 4283531, 5507397, 12850593, 38551779]

約数ペア:

[(1, 38551779), (3, 12850593), (7, 5507397), (9, 4283531), (19, 2029041), (21, 1835799), (43, 896553), (49, 786771), (57, 676347), (63, 611933), (107, 360297), (129, 298851), (133, 289863), (147, 262257), (171, 225449), (301, 128079), (321, 120099), (387, 99617), (399, 96621), (441, 87419), (749, 51471), (817, 47187), (903, 42693), (931, 41409), (963, 40033), (1197, 32207), (2033, 18963), (2107, 18297), (2247, 17157), (2451, 15729), (2709, 14231), (2793, 13803), (4601, 8379), (5243, 7353), (5719, 6741), (6099, 6321)]