1991294073

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 3030992640

約数和(自身を除く): 1039698567

約数列:

[1, 3, 9, 47, 59, 73, 141, 177, 219, 423, 531, 657, 1093, 2773, 3279, 3431, 4307, 8319, 9837, 10293, 12921, 24957, 30879, 38763, 51371, 64487, 79789, 154113, 193461, 202429, 239367, 462339, 580383, 607287, 718101, 1821861, 3030889, 3750083, 4707551, 9092667, 11250249, 14122653, 27278001, 33750747, 42367959, 221254897, 663764691, 1991294073]

約数ペア:

[(1, 1991294073), (3, 663764691), (9, 221254897), (47, 42367959), (59, 33750747), (73, 27278001), (141, 14122653), (177, 11250249), (219, 9092667), (423, 4707551), (531, 3750083), (657, 3030889), (1093, 1821861), (2773, 718101), (3279, 607287), (3431, 580383), (4307, 462339), (8319, 239367), (9837, 202429), (10293, 193461), (12921, 154113), (24957, 79789), (30879, 64487), (38763, 51371)]