51278919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 75398400

約数和(自身を除く): 24119481

約数列:

[1, 3, 17, 43, 51, 67, 129, 201, 349, 731, 1047, 1139, 2193, 2881, 3417, 5933, 8643, 15007, 17799, 23383, 45021, 48977, 70149, 146931, 255119, 397511, 765357, 1005469, 1192533, 3016407, 17092973, 51278919]

約数ペア:

[(1, 51278919), (3, 17092973), (17, 3016407), (43, 1192533), (51, 1005469), (67, 765357), (129, 397511), (201, 255119), (349, 146931), (731, 70149), (1047, 48977), (1139, 45021), (2193, 23383), (2881, 17799), (3417, 15007), (5933, 8643)]