13278291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 6946221

約数列:

[1, 3, 13, 23, 39, 69, 113, 131, 299, 339, 393, 897, 1469, 1703, 2599, 3013, 4407, 5109, 7797, 9039, 14803, 33787, 39169, 44409, 101361, 117507, 192439, 340469, 577317, 1021407, 4426097, 13278291]

約数ペア:

[(1, 13278291), (3, 4426097), (13, 1021407), (23, 577317), (39, 340469), (69, 192439), (113, 117507), (131, 101361), (299, 44409), (339, 39169), (393, 33787), (897, 14803), (1469, 9039), (1703, 7797), (2599, 5109), (3013, 4407)]