231721777

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 288645120

約数和(自身を除く): 56923343

約数列:

[1, 7, 19, 53, 71, 133, 371, 463, 497, 1007, 1349, 3241, 3763, 7049, 8797, 9443, 24539, 26341, 32873, 61579, 71497, 171773, 230111, 466241, 500479, 624587, 1742269, 3263687, 4372109, 12195883, 33103111, 231721777]

約数ペア:

[(1, 231721777), (7, 33103111), (19, 12195883), (53, 4372109), (71, 3263687), (133, 1742269), (371, 624587), (463, 500479), (497, 466241), (1007, 230111), (1349, 171773), (3241, 71497), (3763, 61579), (7049, 32873), (8797, 26341), (9443, 24539)]