289617975

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{12497}}^1$

素因数の和:12616

約数の個数: 36

約数和(自身を含む): 523816176

約数和(自身を除く): 234198201

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 927, 1545, 2575, 4635, 7725, 12497, 23175, 37491, 62485, 112473, 187455, 312425, 562365, 937275, 1287191, 2811825, 3861573, 6435955, 11584719, 19307865, 32179775, 57923595, 96539325, 289617975]

約数ペア:

[(1, 289617975), (3, 96539325), (5, 57923595), (9, 32179775), (15, 19307865), (25, 11584719), (45, 6435955), (75, 3861573), (103, 2811825), (225, 1287191), (309, 937275), (515, 562365), (927, 312425), (1545, 187455), (2575, 112473), (4635, 62485), (7725, 37491), (12497, 23175)]