513996903

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 867290112

約数和(自身を除く): 353293209

約数列:

[1, 3, 7, 9, 21, 63, 71, 151, 213, 453, 497, 639, 761, 1057, 1359, 1491, 2283, 3171, 4473, 5327, 6849, 9513, 10721, 15981, 32163, 47943, 54031, 75047, 96489, 114911, 162093, 225141, 344733, 378217, 486279, 675423, 804377, 1034199, 1134651, 2413131, 3403953, 7239393, 8158681, 24476043, 57110767, 73428129, 171332301, 513996903]

約数ペア:

[(1, 513996903), (3, 171332301), (7, 73428129), (9, 57110767), (21, 24476043), (63, 8158681), (71, 7239393), (151, 3403953), (213, 2413131), (453, 1134651), (497, 1034199), (639, 804377), (761, 675423), (1057, 486279), (1359, 378217), (1491, 344733), (2283, 225141), (3171, 162093), (4473, 114911), (5327, 96489), (6849, 75047), (9513, 54031), (10721, 47943), (15981, 32163)]