1285222275

素因数分解:

$3^3\times 5^2\times {\mathrm{797}}^1\times {\mathrm{2389}}^1$

素因数の和:3205

約数の個数: 48

約数和(自身を含む): 2364952800

約数和(自身を除く): 1079730525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 797, 2389, 2391, 3985, 7167, 7173, 11945, 11955, 19925, 21501, 21519, 35835, 35865, 59725, 59775, 64503, 107505, 107595, 179175, 179325, 322515, 537525, 537975, 1612575, 1904033, 5712099, 9520165, 17136297, 28560495, 47600825, 51408891, 85681485, 142802475, 257044455, 428407425, 1285222275]

約数ペア:

[(1, 1285222275), (3, 428407425), (5, 257044455), (9, 142802475), (15, 85681485), (25, 51408891), (27, 47600825), (45, 28560495), (75, 17136297), (135, 9520165), (225, 5712099), (675, 1904033), (797, 1612575), (2389, 537975), (2391, 537525), (3985, 322515), (7167, 179325), (7173, 179175), (11945, 107595), (11955, 107505), (19925, 64503), (21501, 59775), (21519, 59725), (35835, 35865)]