69120639

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 117891072

約数和(自身を除く): 48770433

約数列:

[1, 3, 7, 9, 21, 53, 63, 127, 159, 163, 371, 381, 477, 489, 889, 1113, 1141, 1143, 1467, 2667, 3339, 3423, 6731, 8001, 8639, 10269, 20193, 20701, 25917, 47117, 60473, 60579, 62103, 77751, 141351, 144907, 181419, 186309, 424053, 434721, 544257, 1097153, 1304163, 3291459, 7680071, 9874377, 23040213, 69120639]

約数ペア:

[(1, 69120639), (3, 23040213), (7, 9874377), (9, 7680071), (21, 3291459), (53, 1304163), (63, 1097153), (127, 544257), (159, 434721), (163, 424053), (371, 186309), (381, 181419), (477, 144907), (489, 141351), (889, 77751), (1113, 62103), (1141, 60579), (1143, 60473), (1467, 47117), (2667, 25917), (3339, 20701), (3423, 20193), (6731, 10269), (8001, 8639)]