199996407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 326330368

約数和(自身を除く): 126333961

約数列:

[1, 3, 9, 13, 31, 39, 67, 93, 117, 201, 279, 403, 603, 823, 871, 1209, 2077, 2469, 2613, 3627, 6231, 7407, 7839, 10699, 18693, 25513, 27001, 32097, 55141, 76539, 81003, 96291, 165423, 229617, 243009, 331669, 496269, 716833, 995007, 1709371, 2150499, 2985021, 5128113, 6451497, 15384339, 22221823, 66665469, 199996407]

約数ペア:

[(1, 199996407), (3, 66665469), (9, 22221823), (13, 15384339), (31, 6451497), (39, 5128113), (67, 2985021), (93, 2150499), (117, 1709371), (201, 995007), (279, 716833), (403, 496269), (603, 331669), (823, 243009), (871, 229617), (1209, 165423), (2077, 96291), (2469, 81003), (2613, 76539), (3627, 55141), (6231, 32097), (7407, 27001), (7839, 25513), (10699, 18693)]