51435279

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19913}}^1$

素因数の和:19967

約数の個数: 24

約数和(自身を含む): 86984352

約数和(自身を除く): 35549073

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 19913, 59739, 139391, 179217, 418173, 816433, 1254519, 2449299, 5715031, 7347897, 17145093, 51435279]

約数ペア:

[(1, 51435279), (3, 17145093), (7, 7347897), (9, 5715031), (21, 2449299), (41, 1254519), (63, 816433), (123, 418173), (287, 179217), (369, 139391), (861, 59739), (2583, 19913)]