28040925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 23830755

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 165, 205, 275, 451, 615, 825, 829, 1025, 1353, 2255, 2487, 3075, 4145, 6765, 9119, 11275, 12435, 20725, 27357, 33825, 33989, 45595, 62175, 101967, 136785, 169945, 227975, 373879, 509835, 683925, 849725, 1121637, 1869395, 2549175, 5608185, 9346975, 28040925]

約数ペア:

[(1, 28040925), (3, 9346975), (5, 5608185), (11, 2549175), (15, 1869395), (25, 1121637), (33, 849725), (41, 683925), (55, 509835), (75, 373879), (123, 227975), (165, 169945), (205, 136785), (275, 101967), (451, 62175), (615, 45595), (825, 33989), (829, 33825), (1025, 27357), (1353, 20725), (2255, 12435), (2487, 11275), (3075, 9119), (4145, 6765)]