1257018777

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 2419200000

約数和(自身を除く): 1162181223

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 59, 63, 119, 133, 153, 171, 177, 189, 323, 349, 357, 399, 413, 459, 513, 531, 969, 1003, 1047, 1071, 1121, 1197, 1239, 1593, 2261, 2443, 2907, 3009, 3141, 3213, 3363, 3591, 3717, 5933, 6631, 6783, 7021, 7329, 7847, 8721, 9027, 9423, 10089, 11151, 17799, 19057, 19893, 20349, 20591, 21063, 21987, 23541, 27081, 30267, 41531, 46417, 53397, 57171, 59679, 61047, 61773, 63189, 65961, 70623, 112727, 124593, 133399, 139251, 144137, 160191, 171513, 179037, 185319, 189567, 211869, 338181, 350047, 373779, 391229, 400197, 417753, 432411, 514539, 555957, 789089, 1014543, 1050141, 1121337, 1173687, 1200591, 1253259, 1297233, 2367267, 2450329, 2738603, 3043629, 3150423, 3521061, 3601773, 3891699, 6650893, 7101801, 7350987, 8215809, 9451269, 10563183, 19952679, 21305403, 22052961, 24647427, 46556251, 59858037, 66158883, 73942281, 139668753, 179574111, 419006259, 1257018777]

約数ペア:

[(1, 1257018777), (3, 419006259), (7, 179574111), (9, 139668753), (17, 73942281), (19, 66158883), (21, 59858037), (27, 46556251), (51, 24647427), (57, 22052961), (59, 21305403), (63, 19952679), (119, 10563183), (133, 9451269), (153, 8215809), (171, 7350987), (177, 7101801), (189, 6650893), (323, 3891699), (349, 3601773), (357, 3521061), (399, 3150423), (413, 3043629), (459, 2738603), (513, 2450329), (531, 2367267), (969, 1297233), (1003, 1253259), (1047, 1200591), (1071, 1173687), (1121, 1121337), (1197, 1050141), (1239, 1014543), (1593, 789089), (2261, 555957), (2443, 514539), (2907, 432411), (3009, 417753), (3141, 400197), (3213, 391229), (3363, 373779), (3591, 350047), (3717, 338181), (5933, 211869), (6631, 189567), (6783, 185319), (7021, 179037), (7329, 171513), (7847, 160191), (8721, 144137), (9027, 139251), (9423, 133399), (10089, 124593), (11151, 112727), (17799, 70623), (19057, 65961), (19893, 63189), (20349, 61773), (20591, 61047), (21063, 59679), (21987, 57171), (23541, 53397), (27081, 46417), (30267, 41531)]