26517861

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 15939099

約数列:

[1, 3, 9, 27, 29, 53, 71, 81, 87, 159, 213, 243, 261, 477, 639, 783, 1431, 1537, 1917, 2059, 2349, 3763, 4293, 4611, 5751, 6177, 7047, 11289, 12879, 13833, 17253, 18531, 33867, 41499, 55593, 101601, 109127, 124497, 166779, 304803, 327381, 373491, 500337, 914409, 982143, 2946429, 8839287, 26517861]

約数ペア:

[(1, 26517861), (3, 8839287), (9, 2946429), (27, 982143), (29, 914409), (53, 500337), (71, 373491), (81, 327381), (87, 304803), (159, 166779), (213, 124497), (243, 109127), (261, 101601), (477, 55593), (639, 41499), (783, 33867), (1431, 18531), (1537, 17253), (1917, 13833), (2059, 12879), (2349, 11289), (3763, 7047), (4293, 6177), (4611, 5751)]