665533773

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 1066452480

約数和(自身を除く): 400918707

約数列:

[1, 3, 9, 23, 27, 53, 69, 73, 159, 207, 219, 277, 477, 621, 657, 831, 1219, 1431, 1679, 1971, 2493, 3657, 3869, 5037, 6371, 7479, 10971, 11607, 14681, 15111, 19113, 20221, 32913, 34821, 44043, 45333, 57339, 60663, 88987, 104463, 132129, 172017, 181989, 266961, 337663, 396387, 465083, 545967, 800883, 1012989, 1071713, 1395249, 2402649, 3038967, 3215139, 4185747, 9116901, 9645417, 12557241, 24649399, 28936251, 73948197, 221844591, 665533773]

約数ペア:

[(1, 665533773), (3, 221844591), (9, 73948197), (23, 28936251), (27, 24649399), (53, 12557241), (69, 9645417), (73, 9116901), (159, 4185747), (207, 3215139), (219, 3038967), (277, 2402649), (477, 1395249), (621, 1071713), (657, 1012989), (831, 800883), (1219, 545967), (1431, 465083), (1679, 396387), (1971, 337663), (2493, 266961), (3657, 181989), (3869, 172017), (5037, 132129), (6371, 104463), (7479, 88987), (10971, 60663), (11607, 57339), (14681, 45333), (15111, 44043), (19113, 34821), (20221, 32913)]