51808239

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4100

約数の個数: 36

約数和(自身を含む): 90075960

約数和(自身を除く): 38267721

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4051, 4263, 12153, 12789, 28357, 36459, 85071, 117479, 198499, 255213, 352437, 595497, 822353, 1057311, 1786491, 2467059, 5756471, 7401177, 17269413, 51808239]

約数ペア:

[(1, 51808239), (3, 17269413), (7, 7401177), (9, 5756471), (21, 2467059), (29, 1786491), (49, 1057311), (63, 822353), (87, 595497), (147, 352437), (203, 255213), (261, 198499), (441, 117479), (609, 85071), (1421, 36459), (1827, 28357), (4051, 12789), (4263, 12153)]