80641701

素因数分解:

$3^2\times 7^3\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 137529600

約数和(自身を除く): 56887899

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 173, 343, 441, 453, 519, 1029, 1057, 1211, 1359, 1557, 3087, 3171, 3633, 7399, 8477, 9513, 10899, 22197, 25431, 26123, 51793, 59339, 66591, 76293, 78369, 155379, 178017, 182861, 235107, 466137, 534051, 548583, 1280027, 1645749, 3840081, 8960189, 11520243, 26880567, 80641701]

約数ペア:

[(1, 80641701), (3, 26880567), (7, 11520243), (9, 8960189), (21, 3840081), (49, 1645749), (63, 1280027), (147, 548583), (151, 534051), (173, 466137), (343, 235107), (441, 182861), (453, 178017), (519, 155379), (1029, 78369), (1057, 76293), (1211, 66591), (1359, 59339), (1557, 51793), (3087, 26123), (3171, 25431), (3633, 22197), (7399, 10899), (8477, 9513)]