261036359991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{20753}}^1$

素因数の和:21538

約数の個数: 80

約数和(自身を含む): 448405943040

約数和(自身を除く): 187369583049

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 743, 891, 1539, 1881, 2229, 5643, 6687, 8173, 14117, 16929, 20061, 20753, 24519, 42351, 60183, 62259, 73557, 127053, 155287, 186777, 220671, 228283, 381159, 394307, 465861, 560331, 662013, 684849, 1143477, 1182921, 1397583, 1680993, 2054547, 3548763, 4192749, 4337377, 6163641, 10646289, 12578247, 13012131, 15419479, 18490923, 31938867, 39036393, 46258437, 117109179, 138775311, 169614269, 292970101, 351327537, 416325933, 508842807, 878910303, 1248977799, 1526528421, 2636730909, 3222671111, 4579585263, 7910192727, 9668013333, 13738755789, 23730578181, 29004039999, 87012119997, 261036359991]

約数ペア:

[(1, 261036359991), (3, 87012119997), (9, 29004039999), (11, 23730578181), (19, 13738755789), (27, 9668013333), (33, 7910192727), (57, 4579585263), (81, 3222671111), (99, 2636730909), (171, 1526528421), (209, 1248977799), (297, 878910303), (513, 508842807), (627, 416325933), (743, 351327537), (891, 292970101), (1539, 169614269), (1881, 138775311), (2229, 117109179), (5643, 46258437), (6687, 39036393), (8173, 31938867), (14117, 18490923), (16929, 15419479), (20061, 13012131), (20753, 12578247), (24519, 10646289), (42351, 6163641), (60183, 4337377), (62259, 4192749), (73557, 3548763), (127053, 2054547), (155287, 1680993), (186777, 1397583), (220671, 1182921), (228283, 1143477), (381159, 684849), (394307, 662013), (465861, 560331)]