1212131775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4783}}^1$

素因数の和:4936

約数の個数: 48

約数和(自身を含む): 2088120320

約数和(自身を除く): 875988545

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 109, 155, 327, 465, 545, 775, 1635, 2325, 2725, 3379, 4783, 8175, 10137, 14349, 16895, 23915, 50685, 71745, 84475, 119575, 148273, 253425, 358725, 444819, 521347, 741365, 1564041, 2224095, 2606735, 3706825, 7820205, 11120475, 13033675, 16161757, 39101025, 48485271, 80808785, 242426355, 404043925, 1212131775]

約数ペア:

[(1, 1212131775), (3, 404043925), (5, 242426355), (15, 80808785), (25, 48485271), (31, 39101025), (75, 16161757), (93, 13033675), (109, 11120475), (155, 7820205), (327, 3706825), (465, 2606735), (545, 2224095), (775, 1564041), (1635, 741365), (2325, 521347), (2725, 444819), (3379, 358725), (4783, 253425), (8175, 148273), (10137, 119575), (14349, 84475), (16895, 71745), (23915, 50685)]