51383619

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 94080000

約数和(自身を除く): 42696381

約数列:

[1, 3, 7, 9, 19, 21, 27, 41, 57, 63, 123, 133, 171, 189, 287, 349, 369, 399, 513, 779, 861, 1047, 1107, 1197, 2337, 2443, 2583, 3141, 3591, 5453, 6631, 7011, 7329, 7749, 9423, 14309, 16359, 19893, 21033, 21987, 42927, 46417, 49077, 59679, 65961, 100163, 128781, 139251, 147231, 179037, 271871, 300489, 386343, 417753, 815613, 901467, 1253259, 1903097, 2446839, 2704401, 5709291, 7340517, 17127873, 51383619]

約数ペア:

[(1, 51383619), (3, 17127873), (7, 7340517), (9, 5709291), (19, 2704401), (21, 2446839), (27, 1903097), (41, 1253259), (57, 901467), (63, 815613), (123, 417753), (133, 386343), (171, 300489), (189, 271871), (287, 179037), (349, 147231), (369, 139251), (399, 128781), (513, 100163), (779, 65961), (861, 59679), (1047, 49077), (1107, 46417), (1197, 42927), (2337, 21987), (2443, 21033), (2583, 19893), (3141, 16359), (3591, 14309), (5453, 9423), (6631, 7749), (7011, 7329)]