51245859

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 81575424

約数和(自身を除く): 30329565

約数列:

[1, 3, 7, 21, 41, 53, 123, 159, 287, 371, 861, 1113, 1123, 2173, 3369, 6519, 7861, 15211, 23583, 45633, 46043, 59519, 138129, 178557, 322301, 416633, 966903, 1249899, 2440279, 7320837, 17081953, 51245859]

約数ペア:

[(1, 51245859), (3, 17081953), (7, 7320837), (21, 2440279), (41, 1249899), (53, 966903), (123, 416633), (159, 322301), (287, 178557), (371, 138129), (861, 59519), (1113, 46043), (1123, 45633), (2173, 23583), (3369, 15211), (6519, 7861)]