254594781

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 429287040

約数和(自身を除く): 174692259

約数列:

[1, 3, 7, 9, 21, 63, 83, 181, 249, 269, 543, 581, 747, 807, 1267, 1629, 1743, 1883, 2421, 3801, 5229, 5649, 11403, 15023, 16947, 22327, 45069, 48689, 66981, 105161, 135207, 146067, 156289, 200943, 315483, 340823, 438201, 468867, 946449, 1022469, 1406601, 3067407, 4041187, 12123561, 28288309, 36370683, 84864927, 254594781]

約数ペア:

[(1, 254594781), (3, 84864927), (7, 36370683), (9, 28288309), (21, 12123561), (63, 4041187), (83, 3067407), (181, 1406601), (249, 1022469), (269, 946449), (543, 468867), (581, 438201), (747, 340823), (807, 315483), (1267, 200943), (1629, 156289), (1743, 146067), (1883, 135207), (2421, 105161), (3801, 66981), (5229, 48689), (5649, 45069), (11403, 22327), (15023, 16947)]