12778425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 25623360

約数和(自身を除く): 12844935

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 1721, 2475, 5163, 7425, 8605, 15489, 18931, 25815, 43025, 46467, 56793, 77445, 94655, 129075, 170379, 232335, 283965, 387225, 473275, 511137, 851895, 1161675, 1419825, 2555685, 4259475, 12778425]

約数ペア:

[(1, 12778425), (3, 4259475), (5, 2555685), (9, 1419825), (11, 1161675), (15, 851895), (25, 511137), (27, 473275), (33, 387225), (45, 283965), (55, 232335), (75, 170379), (99, 129075), (135, 94655), (165, 77445), (225, 56793), (275, 46467), (297, 43025), (495, 25815), (675, 18931), (825, 15489), (1485, 8605), (1721, 7425), (2475, 5163)]