1209956727

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{8447}}^1$

素因数の和:8835

約数の個数: 32

約数和(自身を含む): 1946419200

約数和(自身を除く): 736462473

約数列:

[1, 3, 7, 19, 21, 57, 133, 359, 399, 1077, 2513, 6821, 7539, 8447, 20463, 25341, 47747, 59129, 143241, 160493, 177387, 481479, 1123451, 3032473, 3370353, 9097419, 21227311, 57616987, 63681933, 172850961, 403318909, 1209956727]

約数ペア:

[(1, 1209956727), (3, 403318909), (7, 172850961), (19, 63681933), (21, 57616987), (57, 21227311), (133, 9097419), (359, 3370353), (399, 3032473), (1077, 1123451), (2513, 481479), (6821, 177387), (7539, 160493), (8447, 143241), (20463, 59129), (25341, 47747)]