2478255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 1876305

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 179, 195, 213, 355, 537, 895, 923, 1065, 2327, 2685, 2769, 4615, 6981, 11635, 12709, 13845, 34905, 38127, 63545, 165217, 190635, 495651, 826085, 2478255]

約数ペア:

[(1, 2478255), (3, 826085), (5, 495651), (13, 190635), (15, 165217), (39, 63545), (65, 38127), (71, 34905), (179, 13845), (195, 12709), (213, 11635), (355, 6981), (537, 4615), (895, 2769), (923, 2685), (1065, 2327)]