51931467

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 88777728

約数和(自身を除く): 36846261

約数列:

[1, 3, 7, 9, 21, 53, 63, 103, 151, 159, 309, 371, 453, 477, 721, 927, 1057, 1113, 1359, 2163, 3171, 3339, 5459, 6489, 8003, 9513, 15553, 16377, 24009, 38213, 46659, 49131, 56021, 72027, 108871, 114639, 139977, 168063, 326613, 343917, 504189, 824309, 979839, 2472927, 5770163, 7418781, 17310489, 51931467]

約数ペア:

[(1, 51931467), (3, 17310489), (7, 7418781), (9, 5770163), (21, 2472927), (53, 979839), (63, 824309), (103, 504189), (151, 343917), (159, 326613), (309, 168063), (371, 139977), (453, 114639), (477, 108871), (721, 72027), (927, 56021), (1057, 49131), (1113, 46659), (1359, 38213), (2163, 24009), (3171, 16377), (3339, 15553), (5459, 9513), (6489, 8003)]