256856702949

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2729}}^1\times {\mathrm{12347}}^1$

素因数の和:15111

約数の個数: 72

約数和(自身を含む): 466277273280

約数和(自身を除く): 209420570331

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2729, 7623, 8187, 12347, 19103, 24561, 30019, 37041, 57309, 86429, 90057, 111123, 135817, 171927, 210133, 259287, 270171, 330209, 407451, 630399, 777861, 950719, 990627, 1222353, 1493987, 1891197, 2311463, 2852157, 2971881, 4481961, 6934389, 8556471, 10457909, 13445883, 20803167, 31373727, 33694963, 94121181, 101084889, 235864741, 303254667, 370644593, 707594223, 1111933779, 2122782669, 2594512151, 3335801337, 4077090523, 7783536453, 12231271569, 23350609359, 28539633661, 36693814707, 85618900983, 256856702949]

約数ペア:

[(1, 256856702949), (3, 85618900983), (7, 36693814707), (9, 28539633661), (11, 23350609359), (21, 12231271569), (33, 7783536453), (63, 4077090523), (77, 3335801337), (99, 2594512151), (121, 2122782669), (231, 1111933779), (363, 707594223), (693, 370644593), (847, 303254667), (1089, 235864741), (2541, 101084889), (2729, 94121181), (7623, 33694963), (8187, 31373727), (12347, 20803167), (19103, 13445883), (24561, 10457909), (30019, 8556471), (37041, 6934389), (57309, 4481961), (86429, 2971881), (90057, 2852157), (111123, 2311463), (135817, 1891197), (171927, 1493987), (210133, 1222353), (259287, 990627), (270171, 950719), (330209, 777861), (407451, 630399)]