26920431

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 42375168

約数和(自身を除く): 15454737

約数列:

[1, 3, 9, 27, 31, 71, 81, 93, 151, 213, 279, 453, 639, 837, 1359, 1917, 2201, 2511, 4077, 4681, 5751, 6603, 10721, 12231, 14043, 19809, 32163, 42129, 59427, 96489, 126387, 178281, 289467, 332351, 379161, 868401, 997053, 2991159, 8973477, 26920431]

約数ペア:

[(1, 26920431), (3, 8973477), (9, 2991159), (27, 997053), (31, 868401), (71, 379161), (81, 332351), (93, 289467), (151, 178281), (213, 126387), (279, 96489), (453, 59427), (639, 42129), (837, 32163), (1359, 19809), (1917, 14043), (2201, 12231), (2511, 10721), (4077, 6603), (4681, 5751)]