1279435905

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{287191}}^1$

素因数の和:287219

約数の個数: 40

約数和(自身を含む): 2502016704

約数和(自身を除く): 1222580799

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 287191, 861573, 1435955, 2584719, 3159101, 4307865, 7754157, 9477303, 12923595, 15795505, 23262471, 28431909, 38770785, 47386515, 85295727, 116312355, 142159545, 255887181, 426478635, 1279435905]

約数ペア:

[(1, 1279435905), (3, 426478635), (5, 255887181), (9, 142159545), (11, 116312355), (15, 85295727), (27, 47386515), (33, 38770785), (45, 28431909), (55, 23262471), (81, 15795505), (99, 12923595), (135, 9477303), (165, 7754157), (297, 4307865), (405, 3159101), (495, 2584719), (891, 1435955), (1485, 861573), (4455, 287191)]