20158128531

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 30886416000

約数和(自身を除く): 10728287469

約数列:

[1, 3, 9, 27, 73, 101, 109, 219, 303, 327, 657, 909, 929, 981, 1971, 2727, 2787, 2943, 7373, 7957, 8361, 11009, 22119, 23871, 25083, 33027, 66357, 67817, 71613, 93829, 99081, 101261, 199071, 203451, 214839, 281487, 297243, 303783, 610353, 803657, 844461, 911349, 1831059, 2410971, 2533383, 2734047, 6849517, 7232913, 7392053, 10227361, 20548551, 21698739, 22176159, 30682083, 61645653, 66528477, 92046249, 184936959, 199585431, 276138747, 746597353, 2239792059, 6719376177, 20158128531]

約数ペア:

[(1, 20158128531), (3, 6719376177), (9, 2239792059), (27, 746597353), (73, 276138747), (101, 199585431), (109, 184936959), (219, 92046249), (303, 66528477), (327, 61645653), (657, 30682083), (909, 22176159), (929, 21698739), (981, 20548551), (1971, 10227361), (2727, 7392053), (2787, 7232913), (2943, 6849517), (7373, 2734047), (7957, 2533383), (8361, 2410971), (11009, 1831059), (22119, 911349), (23871, 844461), (25083, 803657), (33027, 610353), (66357, 303783), (67817, 297243), (71613, 281487), (93829, 214839), (99081, 203451), (101261, 199071)]