80438841

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1218

約数の個数: 36

約数和(自身を含む): 136047600

約数和(自身を除く): 55608759

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 441, 537, 1019, 1253, 1611, 3057, 3759, 7133, 8771, 9171, 11277, 21399, 26313, 49931, 64197, 78939, 149793, 182401, 449379, 547203, 1276807, 1641609, 3830421, 8937649, 11491263, 26812947, 80438841]

約数ペア:

[(1, 80438841), (3, 26812947), (7, 11491263), (9, 8937649), (21, 3830421), (49, 1641609), (63, 1276807), (147, 547203), (179, 449379), (441, 182401), (537, 149793), (1019, 78939), (1253, 64197), (1611, 49931), (3057, 26313), (3759, 21399), (7133, 11277), (8771, 9171)]