15721554978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{56543}}^1$

素因数の和:56844

約数の個数: 64

約数和(自身を含む): 36911923200

約数和(自身を除く): 21190368222

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 271, 342, 513, 542, 813, 1026, 1626, 2439, 4878, 5149, 7317, 10298, 14634, 15447, 30894, 46341, 56543, 92682, 113086, 139023, 169629, 278046, 339258, 508887, 1017774, 1074317, 1526661, 2148634, 3053322, 3222951, 6445902, 9668853, 15323153, 19337706, 29006559, 30646306, 45969459, 58013118, 91938918, 137908377, 275816754, 291139907, 413725131, 582279814, 827450262, 873419721, 1746839442, 2620259163, 5240518326, 7860777489, 15721554978]

約数ペア:

[(1, 15721554978), (2, 7860777489), (3, 5240518326), (6, 2620259163), (9, 1746839442), (18, 873419721), (19, 827450262), (27, 582279814), (38, 413725131), (54, 291139907), (57, 275816754), (114, 137908377), (171, 91938918), (271, 58013118), (342, 45969459), (513, 30646306), (542, 29006559), (813, 19337706), (1026, 15323153), (1626, 9668853), (2439, 6445902), (4878, 3222951), (5149, 3053322), (7317, 2148634), (10298, 1526661), (14634, 1074317), (15447, 1017774), (30894, 508887), (46341, 339258), (56543, 278046), (92682, 169629), (113086, 139023)]